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Finding the Fourth Proportional to 492,753.30, 738,957.15 and 256,017.30

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Solution

The fourth proportional to 492,753.30, 738,957.15 and 256,017.30 is: 383,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,753.30 : 738,957.15 = 256,017.30 : x
  2. Step 2: Convert to fraction form
    492,753.30/738,957.15 = 256,017.30/x
  3. Step 3: Cross multiply
    492,753.30x = 738,957.15 × 256,017.30
  4. Step 4: Simplify right side
    492,753.30x = 189,185,814,358.70
  5. Step 5: Solve for x
    x = 189,185,814,358.70/492,753.30
  6. Step 6: Final answer
    x = 383,936.17

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1.5x scale

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.