Home / 917,689.64-1,376,534.46-356,855.36

Finding the Fourth Proportional to 917,689.64, 1,376,534.46 and 356,855.36

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Solution

The fourth proportional to 917,689.64, 1,376,534.46 and 356,855.36 is: 535,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,689.64 : 1,376,534.46 = 356,855.36 : x
  2. Step 2: Convert to fraction form
    917,689.64/1,376,534.46 = 356,855.36/x
  3. Step 3: Cross multiply
    917,689.64x = 1,376,534.46 × 356,855.36
  4. Step 4: Simplify right side
    917,689.64x = 491,223,700,275.71
  5. Step 5: Solve for x
    x = 491,223,700,275.71/917,689.64
  6. Step 6: Final answer
    x = 535,283.04

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Similar ratio
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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.