Home / 840,722.31-1,160,187.17-458,755.47

Finding the Fourth Proportional to 840,722.31, 1,160,187.17 and 458,755.47

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Solution

The fourth proportional to 840,722.31, 1,160,187.17 and 458,755.47 is: 633,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,722.31 : 1,160,187.17 = 458,755.47 : x
  2. Step 2: Convert to fraction form
    840,722.31/1,160,187.17 = 458,755.47/x
  3. Step 3: Cross multiply
    840,722.31x = 1,160,187.17 × 458,755.47
  4. Step 4: Simplify right side
    840,722.31x = 532,242,208,167.54
  5. Step 5: Solve for x
    x = 532,242,208,167.54/840,722.31
  6. Step 6: Final answer
    x = 633,077.30

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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.