Home / 662,911.26-914,788.02-387,294.69

Finding the Fourth Proportional to 662,911.26, 914,788.02 and 387,294.69

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Solution

The fourth proportional to 662,911.26, 914,788.02 and 387,294.69 is: 534,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,911.26 : 914,788.02 = 387,294.69 : x
  2. Step 2: Convert to fraction form
    662,911.26/914,788.02 = 387,294.69/x
  3. Step 3: Cross multiply
    662,911.26x = 914,788.02 × 387,294.69
  4. Step 4: Simplify right side
    662,911.26x = 354,292,542,621.61
  5. Step 5: Solve for x
    x = 354,292,542,621.61/662,911.26
  6. Step 6: Final answer
    x = 534,449.43

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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.