Home / 741,065.46-1,111,546.35-424,530.42

Finding the Fourth Proportional to 741,065.46, 1,111,546.35 and 424,530.42

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Solution

The fourth proportional to 741,065.46, 1,111,546.35 and 424,530.42 is: 636,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,065.46 : 1,111,546.35 = 424,530.42 : x
  2. Step 2: Convert to fraction form
    741,065.46/1,111,546.35 = 424,530.42/x
  3. Step 3: Cross multiply
    741,065.46x = 1,111,546.35 × 424,530.42
  4. Step 4: Simplify right side
    741,065.46x = 471,885,238,814.97
  5. Step 5: Solve for x
    x = 471,885,238,814.97/741,065.46
  6. Step 6: Final answer
    x = 636,765.93

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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.