Home / 894,348.20-1,234,209.42-486,459.54

Finding the Fourth Proportional to 894,348.20, 1,234,209.42 and 486,459.54

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Solution

The fourth proportional to 894,348.20, 1,234,209.42 and 486,459.54 is: 671,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,348.20 : 1,234,209.42 = 486,459.54 : x
  2. Step 2: Convert to fraction form
    894,348.20/1,234,209.42 = 486,459.54/x
  3. Step 3: Cross multiply
    894,348.20x = 1,234,209.42 × 486,459.54
  4. Step 4: Simplify right side
    894,348.20x = 600,392,946,716.87
  5. Step 5: Solve for x
    x = 600,392,946,716.87/894,348.20
  6. Step 6: Final answer
    x = 671,319.01

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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.