Home / 672,036.90-1,008,055.35-198,680.10

Finding the Fourth Proportional to 672,036.90, 1,008,055.35 and 198,680.10

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Solution

The fourth proportional to 672,036.90, 1,008,055.35 and 198,680.10 is: 298,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,036.90 : 1,008,055.35 = 198,680.10 : x
  2. Step 2: Convert to fraction form
    672,036.90/1,008,055.35 = 198,680.10/x
  3. Step 3: Cross multiply
    672,036.90x = 1,008,055.35 × 198,680.10
  4. Step 4: Simplify right side
    672,036.90x = 200,280,537,743.54
  5. Step 5: Solve for x
    x = 200,280,537,743.54/672,036.90
  6. Step 6: Final answer
    x = 298,020.15

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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.