Home / 787,253.94-1,180,754.35-281,720.79

Finding the Fourth Proportional to 787,253.94, 1,180,754.35 and 281,720.79

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Solution

The fourth proportional to 787,253.94, 1,180,754.35 and 281,720.79 is: 422,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,253.94 : 1,180,754.35 = 281,720.79 : x
  2. Step 2: Convert to fraction form
    787,253.94/1,180,754.35 = 281,720.79/x
  3. Step 3: Cross multiply
    787,253.94x = 1,180,754.35 × 281,720.79
  4. Step 4: Simplify right side
    787,253.94x = 332,643,047,573.63
  5. Step 5: Solve for x
    x = 332,643,047,573.63/787,253.94
  6. Step 6: Final answer
    x = 422,535.89

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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.