Home / 646,925.10-970,387.65-366,989.10

Finding the Fourth Proportional to 646,925.10, 970,387.65 and 366,989.10

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Solution

The fourth proportional to 646,925.10, 970,387.65 and 366,989.10 is: 550,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,925.10 : 970,387.65 = 366,989.10 : x
  2. Step 2: Convert to fraction form
    646,925.10/970,387.65 = 366,989.10/x
  3. Step 3: Cross multiply
    646,925.10x = 970,387.65 × 366,989.10
  4. Step 4: Simplify right side
    646,925.10x = 356,121,690,324.62
  5. Step 5: Solve for x
    x = 356,121,690,324.62/646,925.10
  6. Step 6: Final answer
    x = 550,483.65

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Similar ratio
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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.