Home / 853,117.11-1,279,672.02-347,565.33

Finding the Fourth Proportional to 853,117.11, 1,279,672.02 and 347,565.33

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Solution

The fourth proportional to 853,117.11, 1,279,672.02 and 347,565.33 is: 521,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,117.11 : 1,279,672.02 = 347,565.33 : x
  2. Step 2: Convert to fraction form
    853,117.11/1,279,672.02 = 347,565.33/x
  3. Step 3: Cross multiply
    853,117.11x = 1,279,672.02 × 347,565.33
  4. Step 4: Simplify right side
    853,117.11x = 444,769,627,923.07
  5. Step 5: Solve for x
    x = 444,769,627,923.07/853,117.11
  6. Step 6: Final answer
    x = 521,346.51

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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.