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Finding the Fourth Proportional to 598,173.80, 825,457.03 and 329,901.80

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Solution

The fourth proportional to 598,173.80, 825,457.03 and 329,901.80 is: 455,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,173.80 : 825,457.03 = 329,901.80 : x
  2. Step 2: Convert to fraction form
    598,173.80/825,457.03 = 329,901.80/x
  3. Step 3: Cross multiply
    598,173.80x = 825,457.03 × 329,901.80
  4. Step 4: Simplify right side
    598,173.80x = 272,319,755,067.61
  5. Step 5: Solve for x
    x = 272,319,755,067.61/598,173.80
  6. Step 6: Final answer
    x = 455,251.90

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Double scale
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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.