Home / 756,105.18-1,134,179.64-282,700.14

Finding the Fourth Proportional to 756,105.18, 1,134,179.64 and 282,700.14

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Solution

The fourth proportional to 756,105.18, 1,134,179.64 and 282,700.14 is: 424,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,105.18 : 1,134,179.64 = 282,700.14 : x
  2. Step 2: Convert to fraction form
    756,105.18/1,134,179.64 = 282,700.14/x
  3. Step 3: Cross multiply
    756,105.18x = 1,134,179.64 × 282,700.14
  4. Step 4: Simplify right side
    756,105.18x = 320,632,743,013.15
  5. Step 5: Solve for x
    x = 320,632,743,013.15/756,105.18
  6. Step 6: Final answer
    x = 424,058.39

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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.