Home / 872,846.85-1,309,872.36-304,232.73

Finding the Fourth Proportional to 872,846.85, 1,309,872.36 and 304,232.73

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Solution

The fourth proportional to 872,846.85, 1,309,872.36 and 304,232.73 is: 456,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,846.85 : 1,309,872.36 = 304,232.73 : x
  2. Step 2: Convert to fraction form
    872,846.85/1,309,872.36 = 304,232.73/x
  3. Step 3: Cross multiply
    872,846.85x = 1,309,872.36 × 304,232.73
  4. Step 4: Simplify right side
    872,846.85x = 398,506,040,263.19
  5. Step 5: Solve for x
    x = 398,506,040,263.19/872,846.85
  6. Step 6: Final answer
    x = 456,558.95

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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.