Home / 448,134.20-671,610.90-329,247.80

Finding the Fourth Proportional to 448,134.20, 671,610.90 and 329,247.80

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Solution

The fourth proportional to 448,134.20, 671,610.90 and 329,247.80 is: 493,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,134.20 : 671,610.90 = 329,247.80 : x
  2. Step 2: Convert to fraction form
    448,134.20/671,610.90 = 329,247.80/x
  3. Step 3: Cross multiply
    448,134.20x = 671,610.90 × 329,247.80
  4. Step 4: Simplify right side
    448,134.20x = 221,126,411,281.02
  5. Step 5: Solve for x
    x = 221,126,411,281.02/448,134.20
  6. Step 6: Final answer
    x = 493,437.93

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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.