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Finding the Fourth Proportional to 675,374.85, 932,040.32 and 385,029.35

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Solution

The fourth proportional to 675,374.85, 932,040.32 and 385,029.35 is: 531,353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,374.85 : 932,040.32 = 385,029.35 : x
  2. Step 2: Convert to fraction form
    675,374.85/932,040.32 = 385,029.35/x
  3. Step 3: Cross multiply
    675,374.85x = 932,040.32 × 385,029.35
  4. Step 4: Simplify right side
    675,374.85x = 358,862,876,658.25
  5. Step 5: Solve for x
    x = 358,862,876,658.25/675,374.85
  6. Step 6: Final answer
    x = 531,353.63

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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.