Home / 788,517.62-1,182,776.31-189,478.78

Finding the Fourth Proportional to 788,517.62, 1,182,776.31 and 189,478.78

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Solution

The fourth proportional to 788,517.62, 1,182,776.31 and 189,478.78 is: 284,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,517.62 : 1,182,776.31 = 189,478.78 : x
  2. Step 2: Convert to fraction form
    788,517.62/1,182,776.31 = 189,478.78/x
  3. Step 3: Cross multiply
    788,517.62x = 1,182,776.31 × 189,478.78
  4. Step 4: Simplify right side
    788,517.62x = 224,111,014,420.72
  5. Step 5: Solve for x
    x = 224,111,014,420.72/788,517.62
  6. Step 6: Final answer
    x = 284,218.14

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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.