Home / 609,350.40-913,422.96-288,938.64

Finding the Fourth Proportional to 609,350.40, 913,422.96 and 288,938.64

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Solution

The fourth proportional to 609,350.40, 913,422.96 and 288,938.64 is: 433,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,350.40 : 913,422.96 = 288,938.64 : x
  2. Step 2: Convert to fraction form
    609,350.40/913,422.96 = 288,938.64/x
  3. Step 3: Cross multiply
    609,350.40x = 913,422.96 × 288,938.64
  4. Step 4: Simplify right side
    609,350.40x = 263,923,187,807.17
  5. Step 5: Solve for x
    x = 263,923,187,807.17/609,350.40
  6. Step 6: Final answer
    x = 433,122.20

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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.