Home / 853,879.04-1,278,161.34-537,671.64

Finding the Fourth Proportional to 853,879.04, 1,278,161.34 and 537,671.64

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Solution

The fourth proportional to 853,879.04, 1,278,161.34 and 537,671.64 is: 804,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,879.04 : 1,278,161.34 = 537,671.64 : x
  2. Step 2: Convert to fraction form
    853,879.04/1,278,161.34 = 537,671.64/x
  3. Step 3: Cross multiply
    853,879.04x = 1,278,161.34 × 537,671.64
  4. Step 4: Simplify right side
    853,879.04x = 687,231,103,862.40
  5. Step 5: Solve for x
    x = 687,231,103,862.40/853,879.04
  6. Step 6: Final answer
    x = 804,834.26

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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.