Home / 709,529.18-1,063,728.66-409,669.61

Finding the Fourth Proportional to 709,529.18, 1,063,728.66 and 409,669.61

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Solution

The fourth proportional to 709,529.18, 1,063,728.66 and 409,669.61 is: 614,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,529.18 : 1,063,728.66 = 409,669.61 : x
  2. Step 2: Convert to fraction form
    709,529.18/1,063,728.66 = 409,669.61/x
  3. Step 3: Cross multiply
    709,529.18x = 1,063,728.66 × 409,669.61
  4. Step 4: Simplify right side
    709,529.18x = 435,777,305,288.02
  5. Step 5: Solve for x
    x = 435,777,305,288.02/709,529.18
  6. Step 6: Final answer
    x = 614,178.13

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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.