Home / 675,135.61-1,012,391.76-248,564.30

Finding the Fourth Proportional to 675,135.61, 1,012,391.76 and 248,564.30

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Solution

The fourth proportional to 675,135.61, 1,012,391.76 and 248,564.30 is: 372,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,135.61 : 1,012,391.76 = 248,564.30 : x
  2. Step 2: Convert to fraction form
    675,135.61/1,012,391.76 = 248,564.30/x
  3. Step 3: Cross multiply
    675,135.61x = 1,012,391.76 × 248,564.30
  4. Step 4: Simplify right side
    675,135.61x = 251,644,445,020.33
  5. Step 5: Solve for x
    x = 251,644,445,020.33/675,135.61
  6. Step 6: Final answer
    x = 372,731.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.