Home / 821,589.76-1,231,367.28-465,524.29

Finding the Fourth Proportional to 821,589.76, 1,231,367.28 and 465,524.29

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Solution

The fourth proportional to 821,589.76, 1,231,367.28 and 465,524.29 is: 697,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,589.76 : 1,231,367.28 = 465,524.29 : x
  2. Step 2: Convert to fraction form
    821,589.76/1,231,367.28 = 465,524.29/x
  3. Step 3: Cross multiply
    821,589.76x = 1,231,367.28 × 465,524.29
  4. Step 4: Simplify right side
    821,589.76x = 573,231,378,751.23
  5. Step 5: Solve for x
    x = 573,231,378,751.23/821,589.76
  6. Step 6: Final answer
    x = 697,709.98

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1.5x scale

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.