Home / 852,489.48-1,278,934.20-253,455.60

Finding the Fourth Proportional to 852,489.48, 1,278,934.20 and 253,455.60

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Solution

The fourth proportional to 852,489.48, 1,278,934.20 and 253,455.60 is: 380,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,489.48 : 1,278,934.20 = 253,455.60 : x
  2. Step 2: Convert to fraction form
    852,489.48/1,278,934.20 = 253,455.60/x
  3. Step 3: Cross multiply
    852,489.48x = 1,278,934.20 × 253,455.60
  4. Step 4: Simplify right side
    852,489.48x = 324,153,035,021.52
  5. Step 5: Solve for x
    x = 324,153,035,021.52/852,489.48
  6. Step 6: Final answer
    x = 380,242.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.