Home / 987,337.20-1,481,054.40-514,945.20

Finding the Fourth Proportional to 987,337.20, 1,481,054.40 and 514,945.20

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Solution

The fourth proportional to 987,337.20, 1,481,054.40 and 514,945.20 is: 772,443.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,337.20 : 1,481,054.40 = 514,945.20 : x
  2. Step 2: Convert to fraction form
    987,337.20/1,481,054.40 = 514,945.20/x
  3. Step 3: Cross multiply
    987,337.20x = 1,481,054.40 × 514,945.20
  4. Step 4: Simplify right side
    987,337.20x = 762,661,854,218.88
  5. Step 5: Solve for x
    x = 762,661,854,218.88/987,337.20
  6. Step 6: Final answer
    x = 772,443.15

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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.