Home / 747,167.90-1,031,245.22-456,829.07

Finding the Fourth Proportional to 747,167.90, 1,031,245.22 and 456,829.07

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Solution

The fourth proportional to 747,167.90, 1,031,245.22 and 456,829.07 is: 630,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,167.90 : 1,031,245.22 = 456,829.07 : x
  2. Step 2: Convert to fraction form
    747,167.90/1,031,245.22 = 456,829.07/x
  3. Step 3: Cross multiply
    747,167.90x = 1,031,245.22 × 456,829.07
  4. Step 4: Simplify right side
    747,167.90x = 471,102,790,780.39
  5. Step 5: Solve for x
    x = 471,102,790,780.39/747,167.90
  6. Step 6: Final answer
    x = 630,517.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.