Home / 724,850.26-1,087,268.45-440,619.30

Finding the Fourth Proportional to 724,850.26, 1,087,268.45 and 440,619.30

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Solution

The fourth proportional to 724,850.26, 1,087,268.45 and 440,619.30 is: 660,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,850.26 : 1,087,268.45 = 440,619.30 : x
  2. Step 2: Convert to fraction form
    724,850.26/1,087,268.45 = 440,619.30/x
  3. Step 3: Cross multiply
    724,850.26x = 1,087,268.45 × 440,619.30
  4. Step 4: Simplify right side
    724,850.26x = 479,071,463,351.09
  5. Step 5: Solve for x
    x = 479,071,463,351.09/724,850.26
  6. Step 6: Final answer
    x = 660,924.73

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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.