Home / 867,716.82-1,301,612.90-268,689.42

Finding the Fourth Proportional to 867,716.82, 1,301,612.90 and 268,689.42

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Solution

The fourth proportional to 867,716.82, 1,301,612.90 and 268,689.42 is: 403,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,716.82 : 1,301,612.90 = 268,689.42 : x
  2. Step 2: Convert to fraction form
    867,716.82/1,301,612.90 = 268,689.42/x
  3. Step 3: Cross multiply
    867,716.82x = 1,301,612.90 × 268,689.42
  4. Step 4: Simplify right side
    867,716.82x = 349,729,613,822.07
  5. Step 5: Solve for x
    x = 349,729,613,822.07/867,716.82
  6. Step 6: Final answer
    x = 403,045.79

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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.