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Finding the Fourth Proportional to 577,803.26, 865,995.02 and 324,551.40

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Solution

The fourth proportional to 577,803.26, 865,995.02 and 324,551.40 is: 486,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,803.26 : 865,995.02 = 324,551.40 : x
  2. Step 2: Convert to fraction form
    577,803.26/865,995.02 = 324,551.40/x
  3. Step 3: Cross multiply
    577,803.26x = 865,995.02 × 324,551.40
  4. Step 4: Simplify right side
    577,803.26x = 281,059,896,134.03
  5. Step 5: Solve for x
    x = 281,059,896,134.03/577,803.26
  6. Step 6: Final answer
    x = 486,428.37

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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.