Home / 975,909.60-1,463,864.40-677,311.20

Finding the Fourth Proportional to 975,909.60, 1,463,864.40 and 677,311.20

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Solution

The fourth proportional to 975,909.60, 1,463,864.40 and 677,311.20 is: 1,015,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,909.60 : 1,463,864.40 = 677,311.20 : x
  2. Step 2: Convert to fraction form
    975,909.60/1,463,864.40 = 677,311.20/x
  3. Step 3: Cross multiply
    975,909.60x = 1,463,864.40 × 677,311.20
  4. Step 4: Simplify right side
    975,909.60x = 991,491,753,401.28
  5. Step 5: Solve for x
    x = 991,491,753,401.28/975,909.60
  6. Step 6: Final answer
    x = 1,015,966.80

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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.