Home / 788,474.20-1,182,884.10-255,904.60

Finding the Fourth Proportional to 788,474.20, 1,182,884.10 and 255,904.60

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Solution

The fourth proportional to 788,474.20, 1,182,884.10 and 255,904.60 is: 383,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,474.20 : 1,182,884.10 = 255,904.60 : x
  2. Step 2: Convert to fraction form
    788,474.20/1,182,884.10 = 255,904.60/x
  3. Step 3: Cross multiply
    788,474.20x = 1,182,884.10 × 255,904.60
  4. Step 4: Simplify right side
    788,474.20x = 302,705,482,456.86
  5. Step 5: Solve for x
    x = 302,705,482,456.86/788,474.20
  6. Step 6: Final answer
    x = 383,912.98

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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.