Home / 672,026.90-1,008,040.35-272,858.90

Finding the Fourth Proportional to 672,026.90, 1,008,040.35 and 272,858.90

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Solution

The fourth proportional to 672,026.90, 1,008,040.35 and 272,858.90 is: 409,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,026.90 : 1,008,040.35 = 272,858.90 : x
  2. Step 2: Convert to fraction form
    672,026.90/1,008,040.35 = 272,858.90/x
  3. Step 3: Cross multiply
    672,026.90x = 1,008,040.35 × 272,858.90
  4. Step 4: Simplify right side
    672,026.90x = 275,052,781,056.62
  5. Step 5: Solve for x
    x = 275,052,781,056.62/672,026.90
  6. Step 6: Final answer
    x = 409,288.35

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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.