Home / 805,201.83-1,111,165.29-442,617.89

Finding the Fourth Proportional to 805,201.83, 1,111,165.29 and 442,617.89

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Solution

The fourth proportional to 805,201.83, 1,111,165.29 and 442,617.89 is: 610,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,201.83 : 1,111,165.29 = 442,617.89 : x
  2. Step 2: Convert to fraction form
    805,201.83/1,111,165.29 = 442,617.89/x
  3. Step 3: Cross multiply
    805,201.83x = 1,111,165.29 × 442,617.89
  4. Step 4: Simplify right side
    805,201.83x = 491,821,630,545.21
  5. Step 5: Solve for x
    x = 491,821,630,545.21/805,201.83
  6. Step 6: Final answer
    x = 610,805.41

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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.