Home / 492,772.20-739,158.30-393,127.02

Finding the Fourth Proportional to 492,772.20, 739,158.30 and 393,127.02

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Solution

The fourth proportional to 492,772.20, 739,158.30 and 393,127.02 is: 589,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,772.20 : 739,158.30 = 393,127.02 : x
  2. Step 2: Convert to fraction form
    492,772.20/739,158.30 = 393,127.02/x
  3. Step 3: Cross multiply
    492,772.20x = 739,158.30 × 393,127.02
  4. Step 4: Simplify right side
    492,772.20x = 290,583,099,787.27
  5. Step 5: Solve for x
    x = 290,583,099,787.27/492,772.20
  6. Step 6: Final answer
    x = 589,690.53

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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.