Home / 987,636.48-1,363,048.96-557,944.29

Finding the Fourth Proportional to 987,636.48, 1,363,048.96 and 557,944.29

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Solution

The fourth proportional to 987,636.48, 1,363,048.96 and 557,944.29 is: 770,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,636.48 : 1,363,048.96 = 557,944.29 : x
  2. Step 2: Convert to fraction form
    987,636.48/1,363,048.96 = 557,944.29/x
  3. Step 3: Cross multiply
    987,636.48x = 1,363,048.96 × 557,944.29
  4. Step 4: Simplify right side
    987,636.48x = 760,505,381,432.72
  5. Step 5: Solve for x
    x = 760,505,381,432.72/987,636.48
  6. Step 6: Final answer
    x = 770,025.61

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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.