Home / 904,456.80-1,356,685.20-432,064.80

Finding the Fourth Proportional to 904,456.80, 1,356,685.20 and 432,064.80

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Solution

The fourth proportional to 904,456.80, 1,356,685.20 and 432,064.80 is: 648,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,456.80 : 1,356,685.20 = 432,064.80 : x
  2. Step 2: Convert to fraction form
    904,456.80/1,356,685.20 = 432,064.80/x
  3. Step 3: Cross multiply
    904,456.80x = 1,356,685.20 × 432,064.80
  4. Step 4: Simplify right side
    904,456.80x = 586,175,919,600.96
  5. Step 5: Solve for x
    x = 586,175,919,600.96/904,456.80
  6. Step 6: Final answer
    x = 648,097.20

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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.