Home / 852,218.82-1,278,503.16-253,126.62

Finding the Fourth Proportional to 852,218.82, 1,278,503.16 and 253,126.62

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Solution

The fourth proportional to 852,218.82, 1,278,503.16 and 253,126.62 is: 379,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,218.82 : 1,278,503.16 = 253,126.62 : x
  2. Step 2: Convert to fraction form
    852,218.82/1,278,503.16 = 253,126.62/x
  3. Step 3: Cross multiply
    852,218.82x = 1,278,503.16 × 253,126.62
  4. Step 4: Simplify right side
    852,218.82x = 323,623,183,550.12
  5. Step 5: Solve for x
    x = 323,623,183,550.12/852,218.82
  6. Step 6: Final answer
    x = 379,741.89

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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.