Home / 672,040.40-1,008,060.60-272,872.40

Finding the Fourth Proportional to 672,040.40, 1,008,060.60 and 272,872.40

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Solution

The fourth proportional to 672,040.40, 1,008,060.60 and 272,872.40 is: 409,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,040.40 : 1,008,060.60 = 272,872.40 : x
  2. Step 2: Convert to fraction form
    672,040.40/1,008,060.60 = 272,872.40/x
  3. Step 3: Cross multiply
    672,040.40x = 1,008,060.60 × 272,872.40
  4. Step 4: Simplify right side
    672,040.40x = 275,071,915,267.44
  5. Step 5: Solve for x
    x = 275,071,915,267.44/672,040.40
  6. Step 6: Final answer
    x = 409,308.60

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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.