Home / 852,675.76-1,279,013.70-253,645.52

Finding the Fourth Proportional to 852,675.76, 1,279,013.70 and 253,645.52

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Solution

The fourth proportional to 852,675.76, 1,279,013.70 and 253,645.52 is: 380,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,675.76 : 1,279,013.70 = 253,645.52 : x
  2. Step 2: Convert to fraction form
    852,675.76/1,279,013.70 = 253,645.52/x
  3. Step 3: Cross multiply
    852,675.76x = 1,279,013.70 × 253,645.52
  4. Step 4: Simplify right side
    852,675.76x = 324,416,095,023.62
  5. Step 5: Solve for x
    x = 324,416,095,023.62/852,675.76
  6. Step 6: Final answer
    x = 380,468.30

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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.