Home / 753,872.40-1,129,277.70-468,687.60

Finding the Fourth Proportional to 753,872.40, 1,129,277.70 and 468,687.60

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Solution

The fourth proportional to 753,872.40, 1,129,277.70 and 468,687.60 is: 702,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,872.40 : 1,129,277.70 = 468,687.60 : x
  2. Step 2: Convert to fraction form
    753,872.40/1,129,277.70 = 468,687.60/x
  3. Step 3: Cross multiply
    753,872.40x = 1,129,277.70 × 468,687.60
  4. Step 4: Simplify right side
    753,872.40x = 529,278,454,946.52
  5. Step 5: Solve for x
    x = 529,278,454,946.52/753,872.40
  6. Step 6: Final answer
    x = 702,079.63

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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.