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Finding the Fourth Proportional to 675,374.73, 932,040.15 and 385,029.23

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Solution

The fourth proportional to 675,374.73, 932,040.15 and 385,029.23 is: 531,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,374.73 : 932,040.15 = 385,029.23 : x
  2. Step 2: Convert to fraction form
    675,374.73/932,040.15 = 385,029.23/x
  3. Step 3: Cross multiply
    675,374.73x = 932,040.15 × 385,029.23
  4. Step 4: Simplify right side
    675,374.73x = 358,862,694,698.24
  5. Step 5: Solve for x
    x = 358,862,694,698.24/675,374.73
  6. Step 6: Final answer
    x = 531,353.46

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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.