Home / 755,166-1,132,749-311,945.52

Finding the Fourth Proportional to 755,166, 1,132,749 and 311,945.52

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Solution

The fourth proportional to 755,166, 1,132,749 and 311,945.52 is: 467,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,166 : 1,132,749 = 311,945.52 : x
  2. Step 2: Convert to fraction form
    755,166/1,132,749 = 311,945.52/x
  3. Step 3: Cross multiply
    755,166x = 1,132,749 × 311,945.52
  4. Step 4: Simplify right side
    755,166x = 353,355,975,834.48
  5. Step 5: Solve for x
    x = 353,355,975,834.48/755,166
  6. Step 6: Final answer
    x = 467,918.28

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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.