Home / 632,138.18-872,279.08-374,023.04

Finding the Fourth Proportional to 632,138.18, 872,279.08 and 374,023.04

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Solution

The fourth proportional to 632,138.18, 872,279.08 and 374,023.04 is: 516,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,138.18 : 872,279.08 = 374,023.04 : x
  2. Step 2: Convert to fraction form
    632,138.18/872,279.08 = 374,023.04/x
  3. Step 3: Cross multiply
    632,138.18x = 872,279.08 × 374,023.04
  4. Step 4: Simplify right side
    632,138.18x = 326,252,467,933.55
  5. Step 5: Solve for x
    x = 326,252,467,933.55/632,138.18
  6. Step 6: Final answer
    x = 516,109.42

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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.