Home / 676,042.88-932,939.46-370,139.10

Finding the Fourth Proportional to 676,042.88, 932,939.46 and 370,139.10

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Solution

The fourth proportional to 676,042.88, 932,939.46 and 370,139.10 is: 510,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,042.88 : 932,939.46 = 370,139.10 : x
  2. Step 2: Convert to fraction form
    676,042.88/932,939.46 = 370,139.10/x
  3. Step 3: Cross multiply
    676,042.88x = 932,939.46 × 370,139.10
  4. Step 4: Simplify right side
    676,042.88x = 345,317,372,078.89
  5. Step 5: Solve for x
    x = 345,317,372,078.89/676,042.88
  6. Step 6: Final answer
    x = 510,792.11

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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.