Home / 805,326.45-1,111,354.32-442,773.78

Finding the Fourth Proportional to 805,326.45, 1,111,354.32 and 442,773.78

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Solution

The fourth proportional to 805,326.45, 1,111,354.32 and 442,773.78 is: 611,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,326.45 : 1,111,354.32 = 442,773.78 : x
  2. Step 2: Convert to fraction form
    805,326.45/1,111,354.32 = 442,773.78/x
  3. Step 3: Cross multiply
    805,326.45x = 1,111,354.32 × 442,773.78
  4. Step 4: Simplify right side
    805,326.45x = 492,078,553,185.73
  5. Step 5: Solve for x
    x = 492,078,553,185.73/805,326.45
  6. Step 6: Final answer
    x = 611,029.92

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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.