Home / 986,806.08-1,480,348.80-303,749.28

Finding the Fourth Proportional to 986,806.08, 1,480,348.80 and 303,749.28

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Solution

The fourth proportional to 986,806.08, 1,480,348.80 and 303,749.28 is: 455,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,806.08 : 1,480,348.80 = 303,749.28 : x
  2. Step 2: Convert to fraction form
    986,806.08/1,480,348.80 = 303,749.28/x
  3. Step 3: Cross multiply
    986,806.08x = 1,480,348.80 × 303,749.28
  4. Step 4: Simplify right side
    986,806.08x = 449,654,882,148.86
  5. Step 5: Solve for x
    x = 449,654,882,148.86/986,806.08
  6. Step 6: Final answer
    x = 455,666.91

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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.