Home / 521,004.20-780,923.10-296,472.20

Finding the Fourth Proportional to 521,004.20, 780,923.10 and 296,472.20

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Solution

The fourth proportional to 521,004.20, 780,923.10 and 296,472.20 is: 444,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,004.20 : 780,923.10 = 296,472.20 : x
  2. Step 2: Convert to fraction form
    521,004.20/780,923.10 = 296,472.20/x
  3. Step 3: Cross multiply
    521,004.20x = 780,923.10 × 296,472.20
  4. Step 4: Simplify right side
    521,004.20x = 231,521,989,487.82
  5. Step 5: Solve for x
    x = 231,521,989,487.82/521,004.20
  6. Step 6: Final answer
    x = 444,376.44

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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.