Home / 404,408.24-558,262.32-261,238.08

Finding the Fourth Proportional to 404,408.24, 558,262.32 and 261,238.08

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Solution

The fourth proportional to 404,408.24, 558,262.32 and 261,238.08 is: 360,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,408.24 : 558,262.32 = 261,238.08 : x
  2. Step 2: Convert to fraction form
    404,408.24/558,262.32 = 261,238.08/x
  3. Step 3: Cross multiply
    404,408.24x = 558,262.32 × 261,238.08
  4. Step 4: Simplify right side
    404,408.24x = 145,839,376,613.15
  5. Step 5: Solve for x
    x = 145,839,376,613.15/404,408.24
  6. Step 6: Final answer
    x = 360,624.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.