Home / 917,687.64-1,376,531.46-356,853.36

Finding the Fourth Proportional to 917,687.64, 1,376,531.46 and 356,853.36

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Solution

The fourth proportional to 917,687.64, 1,376,531.46 and 356,853.36 is: 535,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,687.64 : 1,376,531.46 = 356,853.36 : x
  2. Step 2: Convert to fraction form
    917,687.64/1,376,531.46 = 356,853.36/x
  3. Step 3: Cross multiply
    917,687.64x = 1,376,531.46 × 356,853.36
  4. Step 4: Simplify right side
    917,687.64x = 491,219,876,646.71
  5. Step 5: Solve for x
    x = 491,219,876,646.71/917,687.64
  6. Step 6: Final answer
    x = 535,280.04

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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.