Home / 878,778.88-1,318,175.04-575,428.48

Finding the Fourth Proportional to 878,778.88, 1,318,175.04 and 575,428.48

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Solution

The fourth proportional to 878,778.88, 1,318,175.04 and 575,428.48 is: 863,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,778.88 : 1,318,175.04 = 575,428.48 : x
  2. Step 2: Convert to fraction form
    878,778.88/1,318,175.04 = 575,428.48/x
  3. Step 3: Cross multiply
    878,778.88x = 1,318,175.04 × 575,428.48
  4. Step 4: Simplify right side
    878,778.88x = 758,515,459,641.14
  5. Step 5: Solve for x
    x = 758,515,459,641.14/878,778.88
  6. Step 6: Final answer
    x = 863,147.12

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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.