Home / 807,717.90-1,114,454.94-458,780.68

Finding the Fourth Proportional to 807,717.90, 1,114,454.94 and 458,780.68

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Solution

The fourth proportional to 807,717.90, 1,114,454.94 and 458,780.68 is: 633,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,717.90 : 1,114,454.94 = 458,780.68 : x
  2. Step 2: Convert to fraction form
    807,717.90/1,114,454.94 = 458,780.68/x
  3. Step 3: Cross multiply
    807,717.90x = 1,114,454.94 × 458,780.68
  4. Step 4: Simplify right side
    807,717.90x = 511,290,395,202.56
  5. Step 5: Solve for x
    x = 511,290,395,202.56/807,717.90
  6. Step 6: Final answer
    x = 633,006.15

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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.