Home / 834,252.20-1,251,378.28-384,840.10

Finding the Fourth Proportional to 834,252.20, 1,251,378.28 and 384,840.10

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Solution

The fourth proportional to 834,252.20, 1,251,378.28 and 384,840.10 is: 577,260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,252.20 : 1,251,378.28 = 384,840.10 : x
  2. Step 2: Convert to fraction form
    834,252.20/1,251,378.28 = 384,840.10/x
  3. Step 3: Cross multiply
    834,252.20x = 1,251,378.28 × 384,840.10
  4. Step 4: Simplify right side
    834,252.20x = 481,580,542,413.03
  5. Step 5: Solve for x
    x = 481,580,542,413.03/834,252.20
  6. Step 6: Final answer
    x = 577,260.14

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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.