Home / 711,391.30-1,067,864.55-445,452.10

Finding the Fourth Proportional to 711,391.30, 1,067,864.55 and 445,452.10

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Solution

The fourth proportional to 711,391.30, 1,067,864.55 and 445,452.10 is: 668,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,391.30 : 1,067,864.55 = 445,452.10 : x
  2. Step 2: Convert to fraction form
    711,391.30/1,067,864.55 = 445,452.10/x
  3. Step 3: Cross multiply
    711,391.30x = 1,067,864.55 × 445,452.10
  4. Step 4: Simplify right side
    711,391.30x = 475,682,506,313.06
  5. Step 5: Solve for x
    x = 475,682,506,313.06/711,391.30
  6. Step 6: Final answer
    x = 668,665.06

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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.