Home / 917,691.64-1,376,537.46-356,857.36

Finding the Fourth Proportional to 917,691.64, 1,376,537.46 and 356,857.36

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Solution

The fourth proportional to 917,691.64, 1,376,537.46 and 356,857.36 is: 535,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,691.64 : 1,376,537.46 = 356,857.36 : x
  2. Step 2: Convert to fraction form
    917,691.64/1,376,537.46 = 356,857.36/x
  3. Step 3: Cross multiply
    917,691.64x = 1,376,537.46 × 356,857.36
  4. Step 4: Simplify right side
    917,691.64x = 491,227,523,916.71
  5. Step 5: Solve for x
    x = 491,227,523,916.71/917,691.64
  6. Step 6: Final answer
    x = 535,286.04

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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.