Home / 788,520.52-1,182,780.64-189,481.68

Finding the Fourth Proportional to 788,520.52, 1,182,780.64 and 189,481.68

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Solution

The fourth proportional to 788,520.52, 1,182,780.64 and 189,481.68 is: 284,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,520.52 : 1,182,780.64 = 189,481.68 : x
  2. Step 2: Convert to fraction form
    788,520.52/1,182,780.64 = 189,481.68/x
  3. Step 3: Cross multiply
    788,520.52x = 1,182,780.64 × 189,481.68
  4. Step 4: Simplify right side
    788,520.52x = 224,115,257,298.48
  5. Step 5: Solve for x
    x = 224,115,257,298.48/788,520.52
  6. Step 6: Final answer
    x = 284,222.48

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Double scale
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Similar ratio
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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.