Home / 788,161.20-1,182,414.60-255,591.60

Finding the Fourth Proportional to 788,161.20, 1,182,414.60 and 255,591.60

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Solution

The fourth proportional to 788,161.20, 1,182,414.60 and 255,591.60 is: 383,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,161.20 : 1,182,414.60 = 255,591.60 : x
  2. Step 2: Convert to fraction form
    788,161.20/1,182,414.60 = 255,591.60/x
  3. Step 3: Cross multiply
    788,161.20x = 1,182,414.60 × 255,591.60
  4. Step 4: Simplify right side
    788,161.20x = 302,215,239,477.36
  5. Step 5: Solve for x
    x = 302,215,239,477.36/788,161.20
  6. Step 6: Final answer
    x = 383,443.44

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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.