Home / 689,016.69-1,033,548.12-239,775.30

Finding the Fourth Proportional to 689,016.69, 1,033,548.12 and 239,775.30

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Solution

The fourth proportional to 689,016.69, 1,033,548.12 and 239,775.30 is: 359,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,016.69 : 1,033,548.12 = 239,775.30 : x
  2. Step 2: Convert to fraction form
    689,016.69/1,033,548.12 = 239,775.30/x
  3. Step 3: Cross multiply
    689,016.69x = 1,033,548.12 × 239,775.30
  4. Step 4: Simplify right side
    689,016.69x = 247,819,310,537.44
  5. Step 5: Solve for x
    x = 247,819,310,537.44/689,016.69
  6. Step 6: Final answer
    x = 359,670.98

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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.