Home / 773,007.12-1,066,306.62-482,113.65

Finding the Fourth Proportional to 773,007.12, 1,066,306.62 and 482,113.65

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Solution

The fourth proportional to 773,007.12, 1,066,306.62 and 482,113.65 is: 665,040.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,007.12 : 1,066,306.62 = 482,113.65 : x
  2. Step 2: Convert to fraction form
    773,007.12/1,066,306.62 = 482,113.65/x
  3. Step 3: Cross multiply
    773,007.12x = 1,066,306.62 × 482,113.65
  4. Step 4: Simplify right side
    773,007.12x = 514,080,978,412.97
  5. Step 5: Solve for x
    x = 514,080,978,412.97/773,007.12
  6. Step 6: Final answer
    x = 665,040.42

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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.