Home / 855,291.11-1,179,827.90-549,023.63

Finding the Fourth Proportional to 855,291.11, 1,179,827.90 and 549,023.63

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Solution

The fourth proportional to 855,291.11, 1,179,827.90 and 549,023.63 is: 757,348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,291.11 : 1,179,827.90 = 549,023.63 : x
  2. Step 2: Convert to fraction form
    855,291.11/1,179,827.90 = 549,023.63/x
  3. Step 3: Cross multiply
    855,291.11x = 1,179,827.90 × 549,023.63
  4. Step 4: Simplify right side
    855,291.11x = 647,753,388,747.30
  5. Step 5: Solve for x
    x = 647,753,388,747.30/855,291.11
  6. Step 6: Final answer
    x = 757,348.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.