Home / 561,402.24-845,407.68-404,733.12

Finding the Fourth Proportional to 561,402.24, 845,407.68 and 404,733.12

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Solution

The fourth proportional to 561,402.24, 845,407.68 and 404,733.12 is: 609,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,402.24 : 845,407.68 = 404,733.12 : x
  2. Step 2: Convert to fraction form
    561,402.24/845,407.68 = 404,733.12/x
  3. Step 3: Cross multiply
    561,402.24x = 845,407.68 × 404,733.12
  4. Step 4: Simplify right side
    561,402.24x = 342,164,487,998.36
  5. Step 5: Solve for x
    x = 342,164,487,998.36/561,402.24
  6. Step 6: Final answer
    x = 609,481.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.