Home / 632,195.75-872,437.03-345,709.69

Finding the Fourth Proportional to 632,195.75, 872,437.03 and 345,709.69

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Solution

The fourth proportional to 632,195.75, 872,437.03 and 345,709.69 is: 477,083.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,195.75 : 872,437.03 = 345,709.69 : x
  2. Step 2: Convert to fraction form
    632,195.75/872,437.03 = 345,709.69/x
  3. Step 3: Cross multiply
    632,195.75x = 872,437.03 × 345,709.69
  4. Step 4: Simplify right side
    632,195.75x = 301,609,932,140.45
  5. Step 5: Solve for x
    x = 301,609,932,140.45/632,195.75
  6. Step 6: Final answer
    x = 477,083.14

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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.