Home / 988,141.60-1,363,634.22-535,432.60

Finding the Fourth Proportional to 988,141.60, 1,363,634.22 and 535,432.60

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Solution

The fourth proportional to 988,141.60, 1,363,634.22 and 535,432.60 is: 738,896.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,141.60 : 1,363,634.22 = 535,432.60 : x
  2. Step 2: Convert to fraction form
    988,141.60/1,363,634.22 = 535,432.60/x
  3. Step 3: Cross multiply
    988,141.60x = 1,363,634.22 × 535,432.60
  4. Step 4: Simplify right side
    988,141.60x = 730,134,215,863.57
  5. Step 5: Solve for x
    x = 730,134,215,863.57/988,141.60
  6. Step 6: Final answer
    x = 738,896.34

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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.