Home / 598,631.89-826,129.38-326,717.23

Finding the Fourth Proportional to 598,631.89, 826,129.38 and 326,717.23

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Solution

The fourth proportional to 598,631.89, 826,129.38 and 326,717.23 is: 450,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,631.89 : 826,129.38 = 326,717.23 : x
  2. Step 2: Convert to fraction form
    598,631.89/826,129.38 = 326,717.23/x
  3. Step 3: Cross multiply
    598,631.89x = 826,129.38 × 326,717.23
  4. Step 4: Simplify right side
    598,631.89x = 269,910,702,655.22
  5. Step 5: Solve for x
    x = 269,910,702,655.22/598,631.89
  6. Step 6: Final answer
    x = 450,879.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.