Home / 324,436.14-444,470.04-312,306.84

Finding the Fourth Proportional to 324,436.14, 444,470.04 and 312,306.84

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Solution

The fourth proportional to 324,436.14, 444,470.04 and 312,306.84 is: 427,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,436.14 : 444,470.04 = 312,306.84 : x
  2. Step 2: Convert to fraction form
    324,436.14/444,470.04 = 312,306.84/x
  3. Step 3: Cross multiply
    324,436.14x = 444,470.04 × 312,306.84
  4. Step 4: Simplify right side
    324,436.14x = 138,811,033,667.07
  5. Step 5: Solve for x
    x = 138,811,033,667.07/324,436.14
  6. Step 6: Final answer
    x = 427,853.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.