Home / 778,052.20-1,167,078.30-486,014.80

Finding the Fourth Proportional to 778,052.20, 1,167,078.30 and 486,014.80

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Solution

The fourth proportional to 778,052.20, 1,167,078.30 and 486,014.80 is: 729,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,052.20 : 1,167,078.30 = 486,014.80 : x
  2. Step 2: Convert to fraction form
    778,052.20/1,167,078.30 = 486,014.80/x
  3. Step 3: Cross multiply
    778,052.20x = 1,167,078.30 × 486,014.80
  4. Step 4: Simplify right side
    778,052.20x = 567,217,326,558.84
  5. Step 5: Solve for x
    x = 567,217,326,558.84/778,052.20
  6. Step 6: Final answer
    x = 729,022.20

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Double scale
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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.