Home / 779,751.60-1,170,016.20-443,050.80

Finding the Fourth Proportional to 779,751.60, 1,170,016.20 and 443,050.80

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Solution

The fourth proportional to 779,751.60, 1,170,016.20 and 443,050.80 is: 664,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,751.60 : 1,170,016.20 = 443,050.80 : x
  2. Step 2: Convert to fraction form
    779,751.60/1,170,016.20 = 443,050.80/x
  3. Step 3: Cross multiply
    779,751.60x = 1,170,016.20 × 443,050.80
  4. Step 4: Simplify right side
    779,751.60x = 518,376,613,422.96
  5. Step 5: Solve for x
    x = 518,376,613,422.96/779,751.60
  6. Step 6: Final answer
    x = 664,797.11

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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.