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Finding the Fourth Proportional to 514,147.15, 709,522.61 and 284,704.42

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Solution

The fourth proportional to 514,147.15, 709,522.61 and 284,704.42 is: 392,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,147.15 : 709,522.61 = 284,704.42 : x
  2. Step 2: Convert to fraction form
    514,147.15/709,522.61 = 284,704.42/x
  3. Step 3: Cross multiply
    514,147.15x = 709,522.61 × 284,704.42
  4. Step 4: Simplify right side
    514,147.15x = 202,004,223,156.94
  5. Step 5: Solve for x
    x = 202,004,223,156.94/514,147.15
  6. Step 6: Final answer
    x = 392,891.85

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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.