Home / 638,001.19-955,426.10-475,505.64

Finding the Fourth Proportional to 638,001.19, 955,426.10 and 475,505.64

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Solution

The fourth proportional to 638,001.19, 955,426.10 and 475,505.64 is: 712,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,001.19 : 955,426.10 = 475,505.64 : x
  2. Step 2: Convert to fraction form
    638,001.19/955,426.10 = 475,505.64/x
  3. Step 3: Cross multiply
    638,001.19x = 955,426.10 × 475,505.64
  4. Step 4: Simplify right side
    638,001.19x = 454,310,499,450.40
  5. Step 5: Solve for x
    x = 454,310,499,450.40/638,001.19
  6. Step 6: Final answer
    x = 712,084.09

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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.