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Finding the Fourth Proportional to 988,014, 1,363,460.68 and 535,305.04

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Solution

The fourth proportional to 988,014, 1,363,460.68 and 535,305.04 is: 738,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,014 : 1,363,460.68 = 535,305.04 : x
  2. Step 2: Convert to fraction form
    988,014/1,363,460.68 = 535,305.04/x
  3. Step 3: Cross multiply
    988,014x = 1,363,460.68 × 535,305.04
  4. Step 4: Simplify right side
    988,014x = 729,867,373,845.83
  5. Step 5: Solve for x
    x = 729,867,373,845.83/988,014
  6. Step 6: Final answer
    x = 738,721.69

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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.