Home / 987,231.24-1,480,731.03-277,319.70

Finding the Fourth Proportional to 987,231.24, 1,480,731.03 and 277,319.70

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Solution

The fourth proportional to 987,231.24, 1,480,731.03 and 277,319.70 is: 415,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,231.24 : 1,480,731.03 = 277,319.70 : x
  2. Step 2: Convert to fraction form
    987,231.24/1,480,731.03 = 277,319.70/x
  3. Step 3: Cross multiply
    987,231.24x = 1,480,731.03 × 277,319.70
  4. Step 4: Simplify right side
    987,231.24x = 410,635,885,020.29
  5. Step 5: Solve for x
    x = 410,635,885,020.29/987,231.24
  6. Step 6: Final answer
    x = 415,947.01

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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.