Home / 632,484.26-872,835.17-345,998.20

Finding the Fourth Proportional to 632,484.26, 872,835.17 and 345,998.20

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Solution

The fourth proportional to 632,484.26, 872,835.17 and 345,998.20 is: 477,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,484.26 : 872,835.17 = 345,998.20 : x
  2. Step 2: Convert to fraction form
    632,484.26/872,835.17 = 345,998.20/x
  3. Step 3: Cross multiply
    632,484.26x = 872,835.17 × 345,998.20
  4. Step 4: Simplify right side
    632,484.26x = 301,999,397,716.69
  5. Step 5: Solve for x
    x = 301,999,397,716.69/632,484.26
  6. Step 6: Final answer
    x = 477,481.29

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Double scale
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1.5x scale

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.