Home / 762,765.84-1,144,333.74-230,255.06

Finding the Fourth Proportional to 762,765.84, 1,144,333.74 and 230,255.06

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Solution

The fourth proportional to 762,765.84, 1,144,333.74 and 230,255.06 is: 345,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,765.84 : 1,144,333.74 = 230,255.06 : x
  2. Step 2: Convert to fraction form
    762,765.84/1,144,333.74 = 230,255.06/x
  3. Step 3: Cross multiply
    762,765.84x = 1,144,333.74 × 230,255.06
  4. Step 4: Simplify right side
    762,765.84x = 263,488,633,963.72
  5. Step 5: Solve for x
    x = 263,488,633,963.72/762,765.84
  6. Step 6: Final answer
    x = 345,438.43

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1.5x scale

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.