Home / 874,251.69-1,206,504.41-487,066.76

Finding the Fourth Proportional to 874,251.69, 1,206,504.41 and 487,066.76

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Solution

The fourth proportional to 874,251.69, 1,206,504.41 and 487,066.76 is: 672,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,251.69 : 1,206,504.41 = 487,066.76 : x
  2. Step 2: Convert to fraction form
    874,251.69/1,206,504.41 = 487,066.76/x
  3. Step 3: Cross multiply
    874,251.69x = 1,206,504.41 × 487,066.76
  4. Step 4: Simplify right side
    874,251.69x = 587,648,193,904.41
  5. Step 5: Solve for x
    x = 587,648,193,904.41/874,251.69
  6. Step 6: Final answer
    x = 672,172.79

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1.5x scale

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.