Home / 986,087.23-1,479,135.23-312,171.88

Finding the Fourth Proportional to 986,087.23, 1,479,135.23 and 312,171.88

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Solution

The fourth proportional to 986,087.23, 1,479,135.23 and 312,171.88 is: 468,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,087.23 : 1,479,135.23 = 312,171.88 : x
  2. Step 2: Convert to fraction form
    986,087.23/1,479,135.23 = 312,171.88/x
  3. Step 3: Cross multiply
    986,087.23x = 1,479,135.23 × 312,171.88
  4. Step 4: Simplify right side
    986,087.23x = 461,744,425,523.33
  5. Step 5: Solve for x
    x = 461,744,425,523.33/986,087.23
  6. Step 6: Final answer
    x = 468,259.21

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Double scale
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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.