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Finding the Fourth Proportional to 522,391.68, 720,472.32 and 350,337.96

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Solution

The fourth proportional to 522,391.68, 720,472.32 and 350,337.96 is: 483,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,391.68 : 720,472.32 = 350,337.96 : x
  2. Step 2: Convert to fraction form
    522,391.68/720,472.32 = 350,337.96/x
  3. Step 3: Cross multiply
    522,391.68x = 720,472.32 × 350,337.96
  4. Step 4: Simplify right side
    522,391.68x = 252,408,802,825.27
  5. Step 5: Solve for x
    x = 252,408,802,825.27/522,391.68
  6. Step 6: Final answer
    x = 483,179.22

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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.