Home / 987,864.32-1,481,624.28-277,723.56

Finding the Fourth Proportional to 987,864.32, 1,481,624.28 and 277,723.56

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Solution

The fourth proportional to 987,864.32, 1,481,624.28 and 277,723.56 is: 416,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,864.32 : 1,481,624.28 = 277,723.56 : x
  2. Step 2: Convert to fraction form
    987,864.32/1,481,624.28 = 277,723.56/x
  3. Step 3: Cross multiply
    987,864.32x = 1,481,624.28 × 277,723.56
  4. Step 4: Simplify right side
    987,864.32x = 411,481,969,624.04
  5. Step 5: Solve for x
    x = 411,481,969,624.04/987,864.32
  6. Step 6: Final answer
    x = 416,536.93

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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.