Home / 675,254.78-1,013,018.86-275,927.72

Finding the Fourth Proportional to 675,254.78, 1,013,018.86 and 275,927.72

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Solution

The fourth proportional to 675,254.78, 1,013,018.86 and 275,927.72 is: 413,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,254.78 : 1,013,018.86 = 275,927.72 : x
  2. Step 2: Convert to fraction form
    675,254.78/1,013,018.86 = 275,927.72/x
  3. Step 3: Cross multiply
    675,254.78x = 1,013,018.86 × 275,927.72
  4. Step 4: Simplify right side
    675,254.78x = 279,519,978,084.52
  5. Step 5: Solve for x
    x = 279,519,978,084.52/675,254.78
  6. Step 6: Final answer
    x = 413,947.43

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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.