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Finding the Fourth Proportional to 536,168.96, 739,728.16 and 342,689.94

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Solution

The fourth proportional to 536,168.96, 739,728.16 and 342,689.94 is: 472,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,168.96 : 739,728.16 = 342,689.94 : x
  2. Step 2: Convert to fraction form
    536,168.96/739,728.16 = 342,689.94/x
  3. Step 3: Cross multiply
    536,168.96x = 739,728.16 × 342,689.94
  4. Step 4: Simplify right side
    536,168.96x = 253,497,398,766.71
  5. Step 5: Solve for x
    x = 253,497,398,766.71/536,168.96
  6. Step 6: Final answer
    x = 472,793.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.