Home / 821,454.80-1,232,182.20-467,560.40

Finding the Fourth Proportional to 821,454.80, 1,232,182.20 and 467,560.40

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Solution

The fourth proportional to 821,454.80, 1,232,182.20 and 467,560.40 is: 701,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,454.80 : 1,232,182.20 = 467,560.40 : x
  2. Step 2: Convert to fraction form
    821,454.80/1,232,182.20 = 467,560.40/x
  3. Step 3: Cross multiply
    821,454.80x = 1,232,182.20 × 467,560.40
  4. Step 4: Simplify right side
    821,454.80x = 576,119,602,304.88
  5. Step 5: Solve for x
    x = 576,119,602,304.88/821,454.80
  6. Step 6: Final answer
    x = 701,340.60

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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.