Home / 874,877.73-1,207,331.28-472,469.73

Finding the Fourth Proportional to 874,877.73, 1,207,331.28 and 472,469.73

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Solution

The fourth proportional to 874,877.73, 1,207,331.28 and 472,469.73 is: 652,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,877.73 : 1,207,331.28 = 472,469.73 : x
  2. Step 2: Convert to fraction form
    874,877.73/1,207,331.28 = 472,469.73/x
  3. Step 3: Cross multiply
    874,877.73x = 1,207,331.28 × 472,469.73
  4. Step 4: Simplify right side
    874,877.73x = 570,427,483,882.15
  5. Step 5: Solve for x
    x = 570,427,483,882.15/874,877.73
  6. Step 6: Final answer
    x = 652,008.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.