Home / 980,456.10-1,470,685.30-306,540.93

Finding the Fourth Proportional to 980,456.10, 1,470,685.30 and 306,540.93

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Solution

The fourth proportional to 980,456.10, 1,470,685.30 and 306,540.93 is: 459,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,456.10 : 1,470,685.30 = 306,540.93 : x
  2. Step 2: Convert to fraction form
    980,456.10/1,470,685.30 = 306,540.93/x
  3. Step 3: Cross multiply
    980,456.10x = 1,470,685.30 × 306,540.93
  4. Step 4: Simplify right side
    980,456.10x = 450,825,238,066.62
  5. Step 5: Solve for x
    x = 450,825,238,066.62/980,456.10
  6. Step 6: Final answer
    x = 459,811.76

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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.