Home / 915,133.50-1,372,815.05-275,337.59

Finding the Fourth Proportional to 915,133.50, 1,372,815.05 and 275,337.59

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Solution

The fourth proportional to 915,133.50, 1,372,815.05 and 275,337.59 is: 413,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,133.50 : 1,372,815.05 = 275,337.59 : x
  2. Step 2: Convert to fraction form
    915,133.50/1,372,815.05 = 275,337.59/x
  3. Step 3: Cross multiply
    915,133.50x = 1,372,815.05 × 275,337.59
  4. Step 4: Simplify right side
    915,133.50x = 377,987,579,141.97
  5. Step 5: Solve for x
    x = 377,987,579,141.97/915,133.50
  6. Step 6: Final answer
    x = 413,040.92

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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.