Home / 803,050.80-1,203,766.20-297,286.80

Finding the Fourth Proportional to 803,050.80, 1,203,766.20 and 297,286.80

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Solution

The fourth proportional to 803,050.80, 1,203,766.20 and 297,286.80 is: 445,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,050.80 : 1,203,766.20 = 297,286.80 : x
  2. Step 2: Convert to fraction form
    803,050.80/1,203,766.20 = 297,286.80/x
  3. Step 3: Cross multiply
    803,050.80x = 1,203,766.20 × 297,286.80
  4. Step 4: Simplify right side
    803,050.80x = 357,863,801,546.16
  5. Step 5: Solve for x
    x = 357,863,801,546.16/803,050.80
  6. Step 6: Final answer
    x = 445,630.34

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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.