Home / 709,534.68-1,063,736.91-409,675.11

Finding the Fourth Proportional to 709,534.68, 1,063,736.91 and 409,675.11

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Solution

The fourth proportional to 709,534.68, 1,063,736.91 and 409,675.11 is: 614,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,534.68 : 1,063,736.91 = 409,675.11 : x
  2. Step 2: Convert to fraction form
    709,534.68/1,063,736.91 = 409,675.11/x
  3. Step 3: Cross multiply
    709,534.68x = 1,063,736.91 × 409,675.11
  4. Step 4: Simplify right side
    709,534.68x = 435,786,535,615.31
  5. Step 5: Solve for x
    x = 435,786,535,615.31/709,534.68
  6. Step 6: Final answer
    x = 614,186.38

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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.