Home / 807,711.90-1,114,446.66-458,774.68

Finding the Fourth Proportional to 807,711.90, 1,114,446.66 and 458,774.68

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Solution

The fourth proportional to 807,711.90, 1,114,446.66 and 458,774.68 is: 632,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,711.90 : 1,114,446.66 = 458,774.68 : x
  2. Step 2: Convert to fraction form
    807,711.90/1,114,446.66 = 458,774.68/x
  3. Step 3: Cross multiply
    807,711.90x = 1,114,446.66 × 458,774.68
  4. Step 4: Simplify right side
    807,711.90x = 511,279,906,940.60
  5. Step 5: Solve for x
    x = 511,279,906,940.60/807,711.90
  6. Step 6: Final answer
    x = 632,997.87

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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.