Home / 987,164.76-1,480,747.32-356,078.50

Finding the Fourth Proportional to 987,164.76, 1,480,747.32 and 356,078.50

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Solution

The fourth proportional to 987,164.76, 1,480,747.32 and 356,078.50 is: 534,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,164.76 : 1,480,747.32 = 356,078.50 : x
  2. Step 2: Convert to fraction form
    987,164.76/1,480,747.32 = 356,078.50/x
  3. Step 3: Cross multiply
    987,164.76x = 1,480,747.32 × 356,078.50
  4. Step 4: Simplify right side
    987,164.76x = 527,262,284,584.62
  5. Step 5: Solve for x
    x = 527,262,284,584.62/987,164.76
  6. Step 6: Final answer
    x = 534,117.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.