Home / 987,496.14-1,481,672.05-348,256.66

Finding the Fourth Proportional to 987,496.14, 1,481,672.05 and 348,256.66

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Solution

The fourth proportional to 987,496.14, 1,481,672.05 and 348,256.66 is: 522,535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,496.14 : 1,481,672.05 = 348,256.66 : x
  2. Step 2: Convert to fraction form
    987,496.14/1,481,672.05 = 348,256.66/x
  3. Step 3: Cross multiply
    987,496.14x = 1,481,672.05 × 348,256.66
  4. Step 4: Simplify right side
    987,496.14x = 516,002,159,348.35
  5. Step 5: Solve for x
    x = 516,002,159,348.35/987,496.14
  6. Step 6: Final answer
    x = 522,535.87

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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.