Home / 915,265.56-1,372,883.60-284,179.98

Finding the Fourth Proportional to 915,265.56, 1,372,883.60 and 284,179.98

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Solution

The fourth proportional to 915,265.56, 1,372,883.60 and 284,179.98 is: 426,265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,265.56 : 1,372,883.60 = 284,179.98 : x
  2. Step 2: Convert to fraction form
    915,265.56/1,372,883.60 = 284,179.98/x
  3. Step 3: Cross multiply
    915,265.56x = 1,372,883.60 × 284,179.98
  4. Step 4: Simplify right side
    915,265.56x = 390,146,033,990.33
  5. Step 5: Solve for x
    x = 390,146,033,990.33/915,265.56
  6. Step 6: Final answer
    x = 426,265.39

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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.