Home / 996,442.48-1,375,077.72-543,725.68

Finding the Fourth Proportional to 996,442.48, 1,375,077.72 and 543,725.68

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Solution

The fourth proportional to 996,442.48, 1,375,077.72 and 543,725.68 is: 750,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,442.48 : 1,375,077.72 = 543,725.68 : x
  2. Step 2: Convert to fraction form
    996,442.48/1,375,077.72 = 543,725.68/x
  3. Step 3: Cross multiply
    996,442.48x = 1,375,077.72 × 543,725.68
  4. Step 4: Simplify right side
    996,442.48x = 747,665,068,359.85
  5. Step 5: Solve for x
    x = 747,665,068,359.85/996,442.48
  6. Step 6: Final answer
    x = 750,334.40

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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.