Home / 709,540.68-1,063,745.88-409,681.14

Finding the Fourth Proportional to 709,540.68, 1,063,745.88 and 409,681.14

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Solution

The fourth proportional to 709,540.68, 1,063,745.88 and 409,681.14 is: 614,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,540.68 : 1,063,745.88 = 409,681.14 : x
  2. Step 2: Convert to fraction form
    709,540.68/1,063,745.88 = 409,681.14/x
  3. Step 3: Cross multiply
    709,540.68x = 1,063,745.88 × 409,681.14
  4. Step 4: Simplify right side
    709,540.68x = 435,796,624,788.70
  5. Step 5: Solve for x
    x = 435,796,624,788.70/709,540.68
  6. Step 6: Final answer
    x = 614,195.40

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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.