Home / 672,186.06-1,008,699.41-272,826.78

Finding the Fourth Proportional to 672,186.06, 1,008,699.41 and 272,826.78

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Solution

The fourth proportional to 672,186.06, 1,008,699.41 and 272,826.78 is: 409,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,186.06 : 1,008,699.41 = 272,826.78 : x
  2. Step 2: Convert to fraction form
    672,186.06/1,008,699.41 = 272,826.78/x
  3. Step 3: Cross multiply
    672,186.06x = 1,008,699.41 × 272,826.78
  4. Step 4: Simplify right side
    672,186.06x = 275,200,212,018.20
  5. Step 5: Solve for x
    x = 275,200,212,018.20/672,186.06
  6. Step 6: Final answer
    x = 409,410.77

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1.5x scale

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.