Home / 788,524.39-1,182,786.45-189,485.55

Finding the Fourth Proportional to 788,524.39, 1,182,786.45 and 189,485.55

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Solution

The fourth proportional to 788,524.39, 1,182,786.45 and 189,485.55 is: 284,228.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,524.39 : 1,182,786.45 = 189,485.55 : x
  2. Step 2: Convert to fraction form
    788,524.39/1,182,786.45 = 189,485.55/x
  3. Step 3: Cross multiply
    788,524.39x = 1,182,786.45 × 189,485.55
  4. Step 4: Simplify right side
    788,524.39x = 224,120,941,010.80
  5. Step 5: Solve for x
    x = 224,120,941,010.80/788,524.39
  6. Step 6: Final answer
    x = 284,228.29

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Double scale
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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.