Home / 755,085.13-1,132,061.96-455,495.87

Finding the Fourth Proportional to 755,085.13, 1,132,061.96 and 455,495.87

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Solution

The fourth proportional to 755,085.13, 1,132,061.96 and 455,495.87 is: 682,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,085.13 : 1,132,061.96 = 455,495.87 : x
  2. Step 2: Convert to fraction form
    755,085.13/1,132,061.96 = 455,495.87/x
  3. Step 3: Cross multiply
    755,085.13x = 1,132,061.96 × 455,495.87
  4. Step 4: Simplify right side
    755,085.13x = 515,649,551,333.00
  5. Step 5: Solve for x
    x = 515,649,551,333.00/755,085.13
  6. Step 6: Final answer
    x = 682,902.54

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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.