Home / 788,247.96-1,182,371.96-189,209.12

Finding the Fourth Proportional to 788,247.96, 1,182,371.96 and 189,209.12

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Solution

The fourth proportional to 788,247.96, 1,182,371.96 and 189,209.12 is: 283,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,247.96 : 1,182,371.96 = 189,209.12 : x
  2. Step 2: Convert to fraction form
    788,247.96/1,182,371.96 = 189,209.12/x
  3. Step 3: Cross multiply
    788,247.96x = 1,182,371.96 × 189,209.12
  4. Step 4: Simplify right side
    788,247.96x = 223,715,558,064.28
  5. Step 5: Solve for x
    x = 223,715,558,064.28/788,247.96
  6. Step 6: Final answer
    x = 283,813.68

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Double scale
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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.