Home / 447,748.90-671,623.35-306,031.30

Finding the Fourth Proportional to 447,748.90, 671,623.35 and 306,031.30

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Solution

The fourth proportional to 447,748.90, 671,623.35 and 306,031.30 is: 459,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,748.90 : 671,623.35 = 306,031.30 : x
  2. Step 2: Convert to fraction form
    447,748.90/671,623.35 = 306,031.30/x
  3. Step 3: Cross multiply
    447,748.90x = 671,623.35 × 306,031.30
  4. Step 4: Simplify right side
    447,748.90x = 205,537,766,910.86
  5. Step 5: Solve for x
    x = 205,537,766,910.86/447,748.90
  6. Step 6: Final answer
    x = 459,046.95

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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.