Home / 672,020.40-1,008,030.60-336,097.20

Finding the Fourth Proportional to 672,020.40, 1,008,030.60 and 336,097.20

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Solution

The fourth proportional to 672,020.40, 1,008,030.60 and 336,097.20 is: 504,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,020.40 : 1,008,030.60 = 336,097.20 : x
  2. Step 2: Convert to fraction form
    672,020.40/1,008,030.60 = 336,097.20/x
  3. Step 3: Cross multiply
    672,020.40x = 1,008,030.60 × 336,097.20
  4. Step 4: Simplify right side
    672,020.40x = 338,796,262,174.32
  5. Step 5: Solve for x
    x = 338,796,262,174.32/672,020.40
  6. Step 6: Final answer
    x = 504,145.80

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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.