Home / 821,848.39-1,134,147.50-459,272.15

Finding the Fourth Proportional to 821,848.39, 1,134,147.50 and 459,272.15

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Solution

The fourth proportional to 821,848.39, 1,134,147.50 and 459,272.15 is: 633,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,848.39 : 1,134,147.50 = 459,272.15 : x
  2. Step 2: Convert to fraction form
    821,848.39/1,134,147.50 = 459,272.15/x
  3. Step 3: Cross multiply
    821,848.39x = 1,134,147.50 × 459,272.15
  4. Step 4: Simplify right side
    821,848.39x = 520,882,360,648.44
  5. Step 5: Solve for x
    x = 520,882,360,648.44/821,848.39
  6. Step 6: Final answer
    x = 633,793.73

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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.