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Finding the Fourth Proportional to 532,458.30, 798,687.45 and 333,003.90

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Solution

The fourth proportional to 532,458.30, 798,687.45 and 333,003.90 is: 499,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,458.30 : 798,687.45 = 333,003.90 : x
  2. Step 2: Convert to fraction form
    532,458.30/798,687.45 = 333,003.90/x
  3. Step 3: Cross multiply
    532,458.30x = 798,687.45 × 333,003.90
  4. Step 4: Simplify right side
    532,458.30x = 265,966,035,731.06
  5. Step 5: Solve for x
    x = 265,966,035,731.06/532,458.30
  6. Step 6: Final answer
    x = 499,505.85

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Double scale
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Similar ratio
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1.5x scale

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.