Home / 757,302.18-1,135,920.33-188,685.78

Finding the Fourth Proportional to 757,302.18, 1,135,920.33 and 188,685.78

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Solution

The fourth proportional to 757,302.18, 1,135,920.33 and 188,685.78 is: 283,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,302.18 : 1,135,920.33 = 188,685.78 : x
  2. Step 2: Convert to fraction form
    757,302.18/1,135,920.33 = 188,685.78/x
  3. Step 3: Cross multiply
    757,302.18x = 1,135,920.33 × 188,685.78
  4. Step 4: Simplify right side
    757,302.18x = 214,332,013,483.91
  5. Step 5: Solve for x
    x = 214,332,013,483.91/757,302.18
  6. Step 6: Final answer
    x = 283,020.46

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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.