Home / 788,151.12-1,182,392.84-255,630.72

Finding the Fourth Proportional to 788,151.12, 1,182,392.84 and 255,630.72

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Solution

The fourth proportional to 788,151.12, 1,182,392.84 and 255,630.72 is: 383,499.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,151.12 : 1,182,392.84 = 255,630.72 : x
  2. Step 2: Convert to fraction form
    788,151.12/1,182,392.84 = 255,630.72/x
  3. Step 3: Cross multiply
    788,151.12x = 1,182,392.84 × 255,630.72
  4. Step 4: Simplify right side
    788,151.12x = 302,255,933,012.05
  5. Step 5: Solve for x
    x = 302,255,933,012.05/788,151.12
  6. Step 6: Final answer
    x = 383,499.97

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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.