Home / 986,538.96-1,479,243.24-303,247.89

Finding the Fourth Proportional to 986,538.96, 1,479,243.24 and 303,247.89

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Solution

The fourth proportional to 986,538.96, 1,479,243.24 and 303,247.89 is: 454,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,538.96 : 1,479,243.24 = 303,247.89 : x
  2. Step 2: Convert to fraction form
    986,538.96/1,479,243.24 = 303,247.89/x
  3. Step 3: Cross multiply
    986,538.96x = 1,479,243.24 × 303,247.89
  4. Step 4: Simplify right side
    986,538.96x = 448,577,391,326.76
  5. Step 5: Solve for x
    x = 448,577,391,326.76/986,538.96
  6. Step 6: Final answer
    x = 454,698.10

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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.