Home / 917,841.74-1,376,373.28-437,513.88

Finding the Fourth Proportional to 917,841.74, 1,376,373.28 and 437,513.88

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Solution

The fourth proportional to 917,841.74, 1,376,373.28 and 437,513.88 is: 656,085.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,841.74 : 1,376,373.28 = 437,513.88 : x
  2. Step 2: Convert to fraction form
    917,841.74/1,376,373.28 = 437,513.88/x
  3. Step 3: Cross multiply
    917,841.74x = 1,376,373.28 × 437,513.88
  4. Step 4: Simplify right side
    917,841.74x = 602,182,414,061.13
  5. Step 5: Solve for x
    x = 602,182,414,061.13/917,841.74
  6. Step 6: Final answer
    x = 656,085.24

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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.