Home / 632,229.89-872,484.12-345,743.82

Finding the Fourth Proportional to 632,229.89, 872,484.12 and 345,743.82

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Solution

The fourth proportional to 632,229.89, 872,484.12 and 345,743.82 is: 477,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,229.89 : 872,484.12 = 345,743.82 : x
  2. Step 2: Convert to fraction form
    632,229.89/872,484.12 = 345,743.82/x
  3. Step 3: Cross multiply
    632,229.89x = 872,484.12 × 345,743.82
  4. Step 4: Simplify right side
    632,229.89x = 301,655,992,538.14
  5. Step 5: Solve for x
    x = 301,655,992,538.14/632,229.89
  6. Step 6: Final answer
    x = 477,130.23

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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.