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Finding the Fourth Proportional to 988,336, 1,363,908.56 and 535,627

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Solution

The fourth proportional to 988,336, 1,363,908.56 and 535,627 is: 739,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,336 : 1,363,908.56 = 535,627 : x
  2. Step 2: Convert to fraction form
    988,336/1,363,908.56 = 535,627/x
  3. Step 3: Cross multiply
    988,336x = 1,363,908.56 × 535,627
  4. Step 4: Simplify right side
    988,336x = 730,546,250,267.12
  5. Step 5: Solve for x
    x = 730,546,250,267.12/988,336
  6. Step 6: Final answer
    x = 739,167.90

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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.