Home / 987,636.92-1,363,049.56-557,944.73

Finding the Fourth Proportional to 987,636.92, 1,363,049.56 and 557,944.73

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Solution

The fourth proportional to 987,636.92, 1,363,049.56 and 557,944.73 is: 770,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,636.92 : 1,363,049.56 = 557,944.73 : x
  2. Step 2: Convert to fraction form
    987,636.92/1,363,049.56 = 557,944.73/x
  3. Step 3: Cross multiply
    987,636.92x = 1,363,049.56 × 557,944.73
  4. Step 4: Simplify right side
    987,636.92x = 760,506,310,520.71
  5. Step 5: Solve for x
    x = 760,506,310,520.71/987,636.92
  6. Step 6: Final answer
    x = 770,026.20

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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.