Home / 987,335.22-1,481,002.89-347,488.28

Finding the Fourth Proportional to 987,335.22, 1,481,002.89 and 347,488.28

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Solution

The fourth proportional to 987,335.22, 1,481,002.89 and 347,488.28 is: 521,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,335.22 : 1,481,002.89 = 347,488.28 : x
  2. Step 2: Convert to fraction form
    987,335.22/1,481,002.89 = 347,488.28/x
  3. Step 3: Cross multiply
    987,335.22x = 1,481,002.89 × 347,488.28
  4. Step 4: Simplify right side
    987,335.22x = 514,631,143,766.80
  5. Step 5: Solve for x
    x = 514,631,143,766.80/987,335.22
  6. Step 6: Final answer
    x = 521,232.44

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1.5x scale

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.