Home / 1,050,200.90-1,575,301.35-340,300.70

Finding the Fourth Proportional to 1,050,200.90, 1,575,301.35 and 340,300.70

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Solution

The fourth proportional to 1,050,200.90, 1,575,301.35 and 340,300.70 is: 510,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,200.90 : 1,575,301.35 = 340,300.70 : x
  2. Step 2: Convert to fraction form
    1,050,200.90/1,575,301.35 = 340,300.70/x
  3. Step 3: Cross multiply
    1,050,200.90x = 1,575,301.35 × 340,300.70
  4. Step 4: Simplify right side
    1,050,200.90x = 536,076,152,115.95
  5. Step 5: Solve for x
    x = 536,076,152,115.95/1,050,200.90
  6. Step 6: Final answer
    x = 510,451.05

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.