Home / 805,555.19-1,111,694.76-443,006.62

Finding the Fourth Proportional to 805,555.19, 1,111,694.76 and 443,006.62

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Solution

The fourth proportional to 805,555.19, 1,111,694.76 and 443,006.62 is: 611,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,555.19 : 1,111,694.76 = 443,006.62 : x
  2. Step 2: Convert to fraction form
    805,555.19/1,111,694.76 = 443,006.62/x
  3. Step 3: Cross multiply
    805,555.19x = 1,111,694.76 × 443,006.62
  4. Step 4: Simplify right side
    805,555.19x = 492,488,135,320.07
  5. Step 5: Solve for x
    x = 492,488,135,320.07/805,555.19
  6. Step 6: Final answer
    x = 611,364.86

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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.