Home / 675,974.77-932,947.64-385,584.91

Finding the Fourth Proportional to 675,974.77, 932,947.64 and 385,584.91

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Solution

The fourth proportional to 675,974.77, 932,947.64 and 385,584.91 is: 532,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,974.77 : 932,947.64 = 385,584.91 : x
  2. Step 2: Convert to fraction form
    675,974.77/932,947.64 = 385,584.91/x
  3. Step 3: Cross multiply
    675,974.77x = 932,947.64 × 385,584.91
  4. Step 4: Simplify right side
    675,974.77x = 359,730,531,804.11
  5. Step 5: Solve for x
    x = 359,730,531,804.11/675,974.77
  6. Step 6: Final answer
    x = 532,165.62

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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.