Home / 672,235.83-1,008,351-272,873.22

Finding the Fourth Proportional to 672,235.83, 1,008,351 and 272,873.22

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Solution

The fourth proportional to 672,235.83, 1,008,351 and 272,873.22 is: 409,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,235.83 : 1,008,351 = 272,873.22 : x
  2. Step 2: Convert to fraction form
    672,235.83/1,008,351 = 272,873.22/x
  3. Step 3: Cross multiply
    672,235.83x = 1,008,351 × 272,873.22
  4. Step 4: Simplify right side
    672,235.83x = 275,151,984,260.22
  5. Step 5: Solve for x
    x = 275,151,984,260.22/672,235.83
  6. Step 6: Final answer
    x = 409,308.72

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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.