Home / 602,972.20-904,458.30-288,044.20

Finding the Fourth Proportional to 602,972.20, 904,458.30 and 288,044.20

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Solution

The fourth proportional to 602,972.20, 904,458.30 and 288,044.20 is: 432,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,972.20 : 904,458.30 = 288,044.20 : x
  2. Step 2: Convert to fraction form
    602,972.20/904,458.30 = 288,044.20/x
  3. Step 3: Cross multiply
    602,972.20x = 904,458.30 × 288,044.20
  4. Step 4: Simplify right side
    602,972.20x = 260,523,967,456.86
  5. Step 5: Solve for x
    x = 260,523,967,456.86/602,972.20
  6. Step 6: Final answer
    x = 432,066.30

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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.