Home / 738,326.72-1,107,552.52-205,848.20

Finding the Fourth Proportional to 738,326.72, 1,107,552.52 and 205,848.20

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Solution

The fourth proportional to 738,326.72, 1,107,552.52 and 205,848.20 is: 308,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,326.72 : 1,107,552.52 = 205,848.20 : x
  2. Step 2: Convert to fraction form
    738,326.72/1,107,552.52 = 205,848.20/x
  3. Step 3: Cross multiply
    738,326.72x = 1,107,552.52 × 205,848.20
  4. Step 4: Simplify right side
    738,326.72x = 227,987,692,647.46
  5. Step 5: Solve for x
    x = 227,987,692,647.46/738,326.72
  6. Step 6: Final answer
    x = 308,789.71

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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.