Home / 834,250.70-1,251,376.03-384,838.60

Finding the Fourth Proportional to 834,250.70, 1,251,376.03 and 384,838.60

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Solution

The fourth proportional to 834,250.70, 1,251,376.03 and 384,838.60 is: 577,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,250.70 : 1,251,376.03 = 384,838.60 : x
  2. Step 2: Convert to fraction form
    834,250.70/1,251,376.03 = 384,838.60/x
  3. Step 3: Cross multiply
    834,250.70x = 1,251,376.03 × 384,838.60
  4. Step 4: Simplify right side
    834,250.70x = 481,577,800,420.85
  5. Step 5: Solve for x
    x = 481,577,800,420.85/834,250.70
  6. Step 6: Final answer
    x = 577,257.89

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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.