Home / 672,185.56-1,008,698.66-272,826.28

Finding the Fourth Proportional to 672,185.56, 1,008,698.66 and 272,826.28

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Solution

The fourth proportional to 672,185.56, 1,008,698.66 and 272,826.28 is: 409,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,185.56 : 1,008,698.66 = 272,826.28 : x
  2. Step 2: Convert to fraction form
    672,185.56/1,008,698.66 = 272,826.28/x
  3. Step 3: Cross multiply
    672,185.56x = 1,008,698.66 × 272,826.28
  4. Step 4: Simplify right side
    672,185.56x = 275,199,503,048.79
  5. Step 5: Solve for x
    x = 275,199,503,048.79/672,185.56
  6. Step 6: Final answer
    x = 409,410.02

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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.