Home / 520,200.92-780,301.36-146,223.92

Finding the Fourth Proportional to 520,200.92, 780,301.36 and 146,223.92

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Solution

The fourth proportional to 520,200.92, 780,301.36 and 146,223.92 is: 219,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,200.92 : 780,301.36 = 146,223.92 : x
  2. Step 2: Convert to fraction form
    520,200.92/780,301.36 = 146,223.92/x
  3. Step 3: Cross multiply
    520,200.92x = 780,301.36 × 146,223.92
  4. Step 4: Simplify right side
    520,200.92x = 114,098,723,640.53
  5. Step 5: Solve for x
    x = 114,098,723,640.53/520,200.92
  6. Step 6: Final answer
    x = 219,335.87

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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.