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Finding the Fourth Proportional to 575,983.20, 794,841.48 and 321,327.84

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Solution

The fourth proportional to 575,983.20, 794,841.48 and 321,327.84 is: 443,423.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,983.20 : 794,841.48 = 321,327.84 : x
  2. Step 2: Convert to fraction form
    575,983.20/794,841.48 = 321,327.84/x
  3. Step 3: Cross multiply
    575,983.20x = 794,841.48 × 321,327.84
  4. Step 4: Simplify right side
    575,983.20x = 255,404,695,910.80
  5. Step 5: Solve for x
    x = 255,404,695,910.80/575,983.20
  6. Step 6: Final answer
    x = 443,423.86

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1.5x scale

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.