Home / 788,663.80-1,182,995.70-227,716.60

Finding the Fourth Proportional to 788,663.80, 1,182,995.70 and 227,716.60

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Solution

The fourth proportional to 788,663.80, 1,182,995.70 and 227,716.60 is: 341,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,663.80 : 1,182,995.70 = 227,716.60 : x
  2. Step 2: Convert to fraction form
    788,663.80/1,182,995.70 = 227,716.60/x
  3. Step 3: Cross multiply
    788,663.80x = 1,182,995.70 × 227,716.60
  4. Step 4: Simplify right side
    788,663.80x = 269,387,758,618.62
  5. Step 5: Solve for x
    x = 269,387,758,618.62/788,663.80
  6. Step 6: Final answer
    x = 341,574.90

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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.