Home / 756,167.60-1,134,121.80-282,609.20

Finding the Fourth Proportional to 756,167.60, 1,134,121.80 and 282,609.20

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Solution

The fourth proportional to 756,167.60, 1,134,121.80 and 282,609.20 is: 423,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,167.60 : 1,134,121.80 = 282,609.20 : x
  2. Step 2: Convert to fraction form
    756,167.60/1,134,121.80 = 282,609.20/x
  3. Step 3: Cross multiply
    756,167.60x = 1,134,121.80 × 282,609.20
  4. Step 4: Simplify right side
    756,167.60x = 320,513,254,600.56
  5. Step 5: Solve for x
    x = 320,513,254,600.56/756,167.60
  6. Step 6: Final answer
    x = 423,865.36

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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.