Home / 1,050,200.40-1,575,300.60-340,300.20

Finding the Fourth Proportional to 1,050,200.40, 1,575,300.60 and 340,300.20

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Solution

The fourth proportional to 1,050,200.40, 1,575,300.60 and 340,300.20 is: 510,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,200.40 : 1,575,300.60 = 340,300.20 : x
  2. Step 2: Convert to fraction form
    1,050,200.40/1,575,300.60 = 340,300.20/x
  3. Step 3: Cross multiply
    1,050,200.40x = 1,575,300.60 × 340,300.20
  4. Step 4: Simplify right side
    1,050,200.40x = 536,075,109,240.12
  5. Step 5: Solve for x
    x = 536,075,109,240.12/1,050,200.40
  6. Step 6: Final answer
    x = 510,450.30

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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.