Home / 834,253.20-1,251,379.78-384,841.10

Finding the Fourth Proportional to 834,253.20, 1,251,379.78 and 384,841.10

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Solution

The fourth proportional to 834,253.20, 1,251,379.78 and 384,841.10 is: 577,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,253.20 : 1,251,379.78 = 384,841.10 : x
  2. Step 2: Convert to fraction form
    834,253.20/1,251,379.78 = 384,841.10/x
  3. Step 3: Cross multiply
    834,253.20x = 1,251,379.78 × 384,841.10
  4. Step 4: Simplify right side
    834,253.20x = 481,582,371,052.96
  5. Step 5: Solve for x
    x = 481,582,371,052.96/834,253.20
  6. Step 6: Final answer
    x = 577,261.64

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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.