Home / 709,529.68-1,063,729.41-409,670.11

Finding the Fourth Proportional to 709,529.68, 1,063,729.41 and 409,670.11

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Solution

The fourth proportional to 709,529.68, 1,063,729.41 and 409,670.11 is: 614,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,529.68 : 1,063,729.41 = 409,670.11 : x
  2. Step 2: Convert to fraction form
    709,529.68/1,063,729.41 = 409,670.11/x
  3. Step 3: Cross multiply
    709,529.68x = 1,063,729.41 × 409,670.11
  4. Step 4: Simplify right side
    709,529.68x = 435,778,144,404.94
  5. Step 5: Solve for x
    x = 435,778,144,404.94/709,529.68
  6. Step 6: Final answer
    x = 614,178.88

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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.