Home / 715,451.10-986,911.42-446,712.54

Finding the Fourth Proportional to 715,451.10, 986,911.42 and 446,712.54

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Solution

The fourth proportional to 715,451.10, 986,911.42 and 446,712.54 is: 616,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,451.10 : 986,911.42 = 446,712.54 : x
  2. Step 2: Convert to fraction form
    715,451.10/986,911.42 = 446,712.54/x
  3. Step 3: Cross multiply
    715,451.10x = 986,911.42 × 446,712.54
  4. Step 4: Simplify right side
    715,451.10x = 440,865,707,183.21
  5. Step 5: Solve for x
    x = 440,865,707,183.21/715,451.10
  6. Step 6: Final answer
    x = 616,206.62

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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.