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Finding the Fourth Proportional to 768,508.08, 1,150,399.98 and 655,134

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Solution

The fourth proportional to 768,508.08, 1,150,399.98 and 655,134 is: 980,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,508.08 : 1,150,399.98 = 655,134 : x
  2. Step 2: Convert to fraction form
    768,508.08/1,150,399.98 = 655,134/x
  3. Step 3: Cross multiply
    768,508.08x = 1,150,399.98 × 655,134
  4. Step 4: Simplify right side
    768,508.08x = 753,666,140,497.32
  5. Step 5: Solve for x
    x = 753,666,140,497.32/768,508.08
  6. Step 6: Final answer
    x = 980,687.33

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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.