Home / 828,878.76-1,143,787.26-466,230.42

Finding the Fourth Proportional to 828,878.76, 1,143,787.26 and 466,230.42

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Solution

The fourth proportional to 828,878.76, 1,143,787.26 and 466,230.42 is: 643,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,878.76 : 1,143,787.26 = 466,230.42 : x
  2. Step 2: Convert to fraction form
    828,878.76/1,143,787.26 = 466,230.42/x
  3. Step 3: Cross multiply
    828,878.76x = 1,143,787.26 × 466,230.42
  4. Step 4: Simplify right side
    828,878.76x = 533,268,414,620.45
  5. Step 5: Solve for x
    x = 533,268,414,620.45/828,878.76
  6. Step 6: Final answer
    x = 643,361.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.