Home / 652,249.20-977,061.60-439,672.80

Finding the Fourth Proportional to 652,249.20, 977,061.60 and 439,672.80

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Solution

The fourth proportional to 652,249.20, 977,061.60 and 439,672.80 is: 658,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,249.20 : 977,061.60 = 439,672.80 : x
  2. Step 2: Convert to fraction form
    652,249.20/977,061.60 = 439,672.80/x
  3. Step 3: Cross multiply
    652,249.20x = 977,061.60 × 439,672.80
  4. Step 4: Simplify right side
    652,249.20x = 429,587,409,444.48
  5. Step 5: Solve for x
    x = 429,587,409,444.48/652,249.20
  6. Step 6: Final answer
    x = 658,624.66

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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.