Home / 987,306.64-1,481,017.40-277,390.04

Finding the Fourth Proportional to 987,306.64, 1,481,017.40 and 277,390.04

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Solution

The fourth proportional to 987,306.64, 1,481,017.40 and 277,390.04 is: 416,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,306.64 : 1,481,017.40 = 277,390.04 : x
  2. Step 2: Convert to fraction form
    987,306.64/1,481,017.40 = 277,390.04/x
  3. Step 3: Cross multiply
    987,306.64x = 1,481,017.40 × 277,390.04
  4. Step 4: Simplify right side
    987,306.64x = 410,819,475,826.70
  5. Step 5: Solve for x
    x = 410,819,475,826.70/987,306.64
  6. Step 6: Final answer
    x = 416,101.20

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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.