Home / 788,520.20-1,182,780.18-189,481.37

Finding the Fourth Proportional to 788,520.20, 1,182,780.18 and 189,481.37

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Solution

The fourth proportional to 788,520.20, 1,182,780.18 and 189,481.37 is: 284,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,520.20 : 1,182,780.18 = 189,481.37 : x
  2. Step 2: Convert to fraction form
    788,520.20/1,182,780.18 = 189,481.37/x
  3. Step 3: Cross multiply
    788,520.20x = 1,182,780.18 × 189,481.37
  4. Step 4: Simplify right side
    788,520.20x = 224,114,803,001.35
  5. Step 5: Solve for x
    x = 224,114,803,001.35/788,520.20
  6. Step 6: Final answer
    x = 284,222.02

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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.