Home / 913,901.28-1,370,902.94-282,765.88

Finding the Fourth Proportional to 913,901.28, 1,370,902.94 and 282,765.88

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Solution

The fourth proportional to 913,901.28, 1,370,902.94 and 282,765.88 is: 424,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,901.28 : 1,370,902.94 = 282,765.88 : x
  2. Step 2: Convert to fraction form
    913,901.28/1,370,902.94 = 282,765.88/x
  3. Step 3: Cross multiply
    913,901.28x = 1,370,902.94 × 282,765.88
  4. Step 4: Simplify right side
    913,901.28x = 387,644,576,223.69
  5. Step 5: Solve for x
    x = 387,644,576,223.69/913,901.28
  6. Step 6: Final answer
    x = 424,164.61

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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.