Home / 894,336.12-1,234,199.76-486,446.88

Finding the Fourth Proportional to 894,336.12, 1,234,199.76 and 486,446.88

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Solution

The fourth proportional to 894,336.12, 1,234,199.76 and 486,446.88 is: 671,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,336.12 : 1,234,199.76 = 486,446.88 : x
  2. Step 2: Convert to fraction form
    894,336.12/1,234,199.76 = 486,446.88/x
  3. Step 3: Cross multiply
    894,336.12x = 1,234,199.76 × 486,446.88
  4. Step 4: Simplify right side
    894,336.12x = 600,372,622,548.75
  5. Step 5: Solve for x
    x = 600,372,622,548.75/894,336.12
  6. Step 6: Final answer
    x = 671,305.35

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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.