Home / 675,291.83-1,012,939.47-275,932.61

Finding the Fourth Proportional to 675,291.83, 1,012,939.47 and 275,932.61

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Solution

The fourth proportional to 675,291.83, 1,012,939.47 and 275,932.61 is: 413,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,291.83 : 1,012,939.47 = 275,932.61 : x
  2. Step 2: Convert to fraction form
    675,291.83/1,012,939.47 = 275,932.61/x
  3. Step 3: Cross multiply
    675,291.83x = 1,012,939.47 × 275,932.61
  4. Step 4: Simplify right side
    675,291.83x = 279,503,026,664.42
  5. Step 5: Solve for x
    x = 279,503,026,664.42/675,291.83
  6. Step 6: Final answer
    x = 413,899.62

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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.