Home / 876,829.35-1,314,515.03-371,778.15

Finding the Fourth Proportional to 876,829.35, 1,314,515.03 and 371,778.15

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Solution

The fourth proportional to 876,829.35, 1,314,515.03 and 371,778.15 is: 557,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,829.35 : 1,314,515.03 = 371,778.15 : x
  2. Step 2: Convert to fraction form
    876,829.35/1,314,515.03 = 371,778.15/x
  3. Step 3: Cross multiply
    876,829.35x = 1,314,515.03 × 371,778.15
  4. Step 4: Simplify right side
    876,829.35x = 488,707,964,141.70
  5. Step 5: Solve for x
    x = 488,707,964,141.70/876,829.35
  6. Step 6: Final answer
    x = 557,358.13

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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.