Home / 853,364.95-1,279,618.85-284,544.68

Finding the Fourth Proportional to 853,364.95, 1,279,618.85 and 284,544.68

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Solution

The fourth proportional to 853,364.95, 1,279,618.85 and 284,544.68 is: 426,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,364.95 : 1,279,618.85 = 284,544.68 : x
  2. Step 2: Convert to fraction form
    853,364.95/1,279,618.85 = 284,544.68/x
  3. Step 3: Cross multiply
    853,364.95x = 1,279,618.85 × 284,544.68
  4. Step 4: Simplify right side
    853,364.95x = 364,108,730,508.49
  5. Step 5: Solve for x
    x = 364,108,730,508.49/853,364.95
  6. Step 6: Final answer
    x = 426,674.11

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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.