Home / 823,462.91-1,234,561.44-418,322.03

Finding the Fourth Proportional to 823,462.91, 1,234,561.44 and 418,322.03

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Solution

The fourth proportional to 823,462.91, 1,234,561.44 and 418,322.03 is: 627,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,462.91 : 1,234,561.44 = 418,322.03 : x
  2. Step 2: Convert to fraction form
    823,462.91/1,234,561.44 = 418,322.03/x
  3. Step 3: Cross multiply
    823,462.91x = 1,234,561.44 × 418,322.03
  4. Step 4: Simplify right side
    823,462.91x = 516,444,247,740.52
  5. Step 5: Solve for x
    x = 516,444,247,740.52/823,462.91
  6. Step 6: Final answer
    x = 627,161.52

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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.