Home / 426,399.39-588,416.00-235,412.33

Finding the Fourth Proportional to 426,399.39, 588,416.00 and 235,412.33

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Solution

The fourth proportional to 426,399.39, 588,416.00 and 235,412.33 is: 324,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,399.39 : 588,416.00 = 235,412.33 : x
  2. Step 2: Convert to fraction form
    426,399.39/588,416.00 = 235,412.33/x
  3. Step 3: Cross multiply
    426,399.39x = 588,416.00 × 235,412.33
  4. Step 4: Simplify right side
    426,399.39x = 138,520,377,450.14
  5. Step 5: Solve for x
    x = 138,520,377,450.14/426,399.39
  6. Step 6: Final answer
    x = 324,860.64

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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.