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Finding the Fourth Proportional to 988,748, 1,364,472.24 and 536,039

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Solution

The fourth proportional to 988,748, 1,364,472.24 and 536,039 is: 739,733.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,748 : 1,364,472.24 = 536,039 : x
  2. Step 2: Convert to fraction form
    988,748/1,364,472.24 = 536,039/x
  3. Step 3: Cross multiply
    988,748x = 1,364,472.24 × 536,039
  4. Step 4: Simplify right side
    988,748x = 731,410,335,057.36
  5. Step 5: Solve for x
    x = 731,410,335,057.36/988,748
  6. Step 6: Final answer
    x = 739,733.82

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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.