Home / 756,003.85-1,134,005.78-436,701.85

Finding the Fourth Proportional to 756,003.85, 1,134,005.78 and 436,701.85

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Solution

The fourth proportional to 756,003.85, 1,134,005.78 and 436,701.85 is: 655,052.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,003.85 : 1,134,005.78 = 436,701.85 : x
  2. Step 2: Convert to fraction form
    756,003.85/1,134,005.78 = 436,701.85/x
  3. Step 3: Cross multiply
    756,003.85x = 1,134,005.78 × 436,701.85
  4. Step 4: Simplify right side
    756,003.85x = 495,222,419,853.18
  5. Step 5: Solve for x
    x = 495,222,419,853.18/756,003.85
  6. Step 6: Final answer
    x = 655,052.78

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Double scale
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Similar ratio
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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.