Home / 675,989.28-1,014,512.31-297,171.72

Finding the Fourth Proportional to 675,989.28, 1,014,512.31 and 297,171.72

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Solution

The fourth proportional to 675,989.28, 1,014,512.31 and 297,171.72 is: 445,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,989.28 : 1,014,512.31 = 297,171.72 : x
  2. Step 2: Convert to fraction form
    675,989.28/1,014,512.31 = 297,171.72/x
  3. Step 3: Cross multiply
    675,989.28x = 1,014,512.31 × 297,171.72
  4. Step 4: Simplify right side
    675,989.28x = 301,484,368,123.87
  5. Step 5: Solve for x
    x = 301,484,368,123.87/675,989.28
  6. Step 6: Final answer
    x = 445,989.87

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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.