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Finding the Fourth Proportional to 578,061.24, 797,755.50 and 323,397.24

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Solution

The fourth proportional to 578,061.24, 797,755.50 and 323,397.24 is: 446,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,061.24 : 797,755.50 = 323,397.24 : x
  2. Step 2: Convert to fraction form
    578,061.24/797,755.50 = 323,397.24/x
  3. Step 3: Cross multiply
    578,061.24x = 797,755.50 × 323,397.24
  4. Step 4: Simplify right side
    578,061.24x = 257,991,926,894.82
  5. Step 5: Solve for x
    x = 257,991,926,894.82/578,061.24
  6. Step 6: Final answer
    x = 446,305.53

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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.