Home / 709,438.56-1,062,255.15-442,668.30

Finding the Fourth Proportional to 709,438.56, 1,062,255.15 and 442,668.30

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Solution

The fourth proportional to 709,438.56, 1,062,255.15 and 442,668.30 is: 662,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,438.56 : 1,062,255.15 = 442,668.30 : x
  2. Step 2: Convert to fraction form
    709,438.56/1,062,255.15 = 442,668.30/x
  3. Step 3: Cross multiply
    709,438.56x = 1,062,255.15 × 442,668.30
  4. Step 4: Simplify right side
    709,438.56x = 470,226,681,416.75
  5. Step 5: Solve for x
    x = 470,226,681,416.75/709,438.56
  6. Step 6: Final answer
    x = 662,815.23

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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.