Home / 787,682.30-1,181,815.05-255,220.70

Finding the Fourth Proportional to 787,682.30, 1,181,815.05 and 255,220.70

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Solution

The fourth proportional to 787,682.30, 1,181,815.05 and 255,220.70 is: 382,925.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,682.30 : 1,181,815.05 = 255,220.70 : x
  2. Step 2: Convert to fraction form
    787,682.30/1,181,815.05 = 255,220.70/x
  3. Step 3: Cross multiply
    787,682.30x = 1,181,815.05 × 255,220.70
  4. Step 4: Simplify right side
    787,682.30x = 301,623,664,331.54
  5. Step 5: Solve for x
    x = 301,623,664,331.54/787,682.30
  6. Step 6: Final answer
    x = 382,925.53

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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.