Home / 852,680.34-1,279,146.87-283,875.66

Finding the Fourth Proportional to 852,680.34, 1,279,146.87 and 283,875.66

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Solution

The fourth proportional to 852,680.34, 1,279,146.87 and 283,875.66 is: 425,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,680.34 : 1,279,146.87 = 283,875.66 : x
  2. Step 2: Convert to fraction form
    852,680.34/1,279,146.87 = 283,875.66/x
  3. Step 3: Cross multiply
    852,680.34x = 1,279,146.87 × 283,875.66
  4. Step 4: Simplify right side
    852,680.34x = 363,118,661,958.18
  5. Step 5: Solve for x
    x = 363,118,661,958.18/852,680.34
  6. Step 6: Final answer
    x = 425,855.56

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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.