Home / 852,895.35-1,279,255.20-284,214.98

Finding the Fourth Proportional to 852,895.35, 1,279,255.20 and 284,214.98

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Solution

The fourth proportional to 852,895.35, 1,279,255.20 and 284,214.98 is: 426,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,895.35 : 1,279,255.20 = 284,214.98 : x
  2. Step 2: Convert to fraction form
    852,895.35/1,279,255.20 = 284,214.98/x
  3. Step 3: Cross multiply
    852,895.35x = 1,279,255.20 × 284,214.98
  4. Step 4: Simplify right side
    852,895.35x = 363,583,486,818.77
  5. Step 5: Solve for x
    x = 363,583,486,818.77/852,895.35
  6. Step 6: Final answer
    x = 426,293.20

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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.