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Finding the Fourth Proportional to 433,515.60, 650,273.40 and 399,301.20

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Solution

The fourth proportional to 433,515.60, 650,273.40 and 399,301.20 is: 598,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,515.60 : 650,273.40 = 399,301.20 : x
  2. Step 2: Convert to fraction form
    433,515.60/650,273.40 = 399,301.20/x
  3. Step 3: Cross multiply
    433,515.60x = 650,273.40 × 399,301.20
  4. Step 4: Simplify right side
    433,515.60x = 259,654,948,948.08
  5. Step 5: Solve for x
    x = 259,654,948,948.08/433,515.60
  6. Step 6: Final answer
    x = 598,951.80

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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.