Home / 472,997.07-709,921.13-320,826.15

Finding the Fourth Proportional to 472,997.07, 709,921.13 and 320,826.15

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Solution

The fourth proportional to 472,997.07, 709,921.13 and 320,826.15 is: 481,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,997.07 : 709,921.13 = 320,826.15 : x
  2. Step 2: Convert to fraction form
    472,997.07/709,921.13 = 320,826.15/x
  3. Step 3: Cross multiply
    472,997.07x = 709,921.13 × 320,826.15
  4. Step 4: Simplify right side
    472,997.07x = 227,761,261,337.42
  5. Step 5: Solve for x
    x = 227,761,261,337.42/472,997.07
  6. Step 6: Final answer
    x = 481,527.85

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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.