Home / 853,368.95-1,279,624.85-284,548.68

Finding the Fourth Proportional to 853,368.95, 1,279,624.85 and 284,548.68

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Solution

The fourth proportional to 853,368.95, 1,279,624.85 and 284,548.68 is: 426,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,368.95 : 1,279,624.85 = 284,548.68 : x
  2. Step 2: Convert to fraction form
    853,368.95/1,279,624.85 = 284,548.68/x
  3. Step 3: Cross multiply
    853,368.95x = 1,279,624.85 × 284,548.68
  4. Step 4: Simplify right side
    853,368.95x = 364,115,561,962.70
  5. Step 5: Solve for x
    x = 364,115,561,962.70/853,368.95
  6. Step 6: Final answer
    x = 426,680.12

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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.