Home / 805,018.57-1,110,878.62-442,442.69

Finding the Fourth Proportional to 805,018.57, 1,110,878.62 and 442,442.69

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Solution

The fourth proportional to 805,018.57, 1,110,878.62 and 442,442.69 is: 610,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,018.57 : 1,110,878.62 = 442,442.69 : x
  2. Step 2: Convert to fraction form
    805,018.57/1,110,878.62 = 442,442.69/x
  3. Step 3: Cross multiply
    805,018.57x = 1,110,878.62 × 442,442.69
  4. Step 4: Simplify right side
    805,018.57x = 491,500,122,401.58
  5. Step 5: Solve for x
    x = 491,500,122,401.58/805,018.57
  6. Step 6: Final answer
    x = 610,545.08

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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.