Home / 755,029-1,132,718.70-256,393.48

Finding the Fourth Proportional to 755,029, 1,132,718.70 and 256,393.48

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Solution

The fourth proportional to 755,029, 1,132,718.70 and 256,393.48 is: 384,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,029 : 1,132,718.70 = 256,393.48 : x
  2. Step 2: Convert to fraction form
    755,029/1,132,718.70 = 256,393.48/x
  3. Step 3: Cross multiply
    755,029x = 1,132,718.70 × 256,393.48
  4. Step 4: Simplify right side
    755,029x = 290,421,689,354.08
  5. Step 5: Solve for x
    x = 290,421,689,354.08/755,029
  6. Step 6: Final answer
    x = 384,649.71

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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.