Home / 834,253.70-1,251,380.53-384,841.60

Finding the Fourth Proportional to 834,253.70, 1,251,380.53 and 384,841.60

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Solution

The fourth proportional to 834,253.70, 1,251,380.53 and 384,841.60 is: 577,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,253.70 : 1,251,380.53 = 384,841.60 : x
  2. Step 2: Convert to fraction form
    834,253.70/1,251,380.53 = 384,841.60/x
  3. Step 3: Cross multiply
    834,253.70x = 1,251,380.53 × 384,841.60
  4. Step 4: Simplify right side
    834,253.70x = 481,583,285,374.05
  5. Step 5: Solve for x
    x = 481,583,285,374.05/834,253.70
  6. Step 6: Final answer
    x = 577,262.39

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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.