Home / 755,161.74-1,132,569.51-215,407.74

Finding the Fourth Proportional to 755,161.74, 1,132,569.51 and 215,407.74

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Solution

The fourth proportional to 755,161.74, 1,132,569.51 and 215,407.74 is: 323,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,161.74 : 1,132,569.51 = 215,407.74 : x
  2. Step 2: Convert to fraction form
    755,161.74/1,132,569.51 = 215,407.74/x
  3. Step 3: Cross multiply
    755,161.74x = 1,132,569.51 × 215,407.74
  4. Step 4: Simplify right side
    755,161.74x = 243,964,238,542.01
  5. Step 5: Solve for x
    x = 243,964,238,542.01/755,161.74
  6. Step 6: Final answer
    x = 323,062.23

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1.5x scale

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.