Home / 778,882.40-1,168,323.60-479,700.80

Finding the Fourth Proportional to 778,882.40, 1,168,323.60 and 479,700.80

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Solution

The fourth proportional to 778,882.40, 1,168,323.60 and 479,700.80 is: 719,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,882.40 : 1,168,323.60 = 479,700.80 : x
  2. Step 2: Convert to fraction form
    778,882.40/1,168,323.60 = 479,700.80/x
  3. Step 3: Cross multiply
    778,882.40x = 1,168,323.60 × 479,700.80
  4. Step 4: Simplify right side
    778,882.40x = 560,445,765,578.88
  5. Step 5: Solve for x
    x = 560,445,765,578.88/778,882.40
  6. Step 6: Final answer
    x = 719,551.20

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Similar ratio
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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.