Home / 853,878.54-1,278,160.60-537,671.15

Finding the Fourth Proportional to 853,878.54, 1,278,160.60 and 537,671.15

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Solution

The fourth proportional to 853,878.54, 1,278,160.60 and 537,671.15 is: 804,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,878.54 : 1,278,160.60 = 537,671.15 : x
  2. Step 2: Convert to fraction form
    853,878.54/1,278,160.60 = 537,671.15/x
  3. Step 3: Cross multiply
    853,878.54x = 1,278,160.60 × 537,671.15
  4. Step 4: Simplify right side
    853,878.54x = 687,230,079,686.69
  5. Step 5: Solve for x
    x = 687,230,079,686.69/853,878.54
  6. Step 6: Final answer
    x = 804,833.53

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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.