Home / 904,102.30-1,357,708.65-639,718.30

Finding the Fourth Proportional to 904,102.30, 1,357,708.65 and 639,718.30

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Solution

The fourth proportional to 904,102.30, 1,357,708.65 and 639,718.30 is: 960,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,102.30 : 1,357,708.65 = 639,718.30 : x
  2. Step 2: Convert to fraction form
    904,102.30/1,357,708.65 = 639,718.30/x
  3. Step 3: Cross multiply
    904,102.30x = 1,357,708.65 × 639,718.30
  4. Step 4: Simplify right side
    904,102.30x = 868,551,069,473.30
  5. Step 5: Solve for x
    x = 868,551,069,473.30/904,102.30
  6. Step 6: Final answer
    x = 960,677.87

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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.