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Finding the Fourth Proportional to 901,337.16, 1,243,760.04 and 538,689

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Solution

The fourth proportional to 901,337.16, 1,243,760.04 and 538,689 is: 743,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,337.16 : 1,243,760.04 = 538,689 : x
  2. Step 2: Convert to fraction form
    901,337.16/1,243,760.04 = 538,689/x
  3. Step 3: Cross multiply
    901,337.16x = 1,243,760.04 × 538,689
  4. Step 4: Simplify right side
    901,337.16x = 669,999,852,187.56
  5. Step 5: Solve for x
    x = 669,999,852,187.56/901,337.16
  6. Step 6: Final answer
    x = 743,339.88

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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.