Home / 677,993.86-1,016,957.92-251,612.81

Finding the Fourth Proportional to 677,993.86, 1,016,957.92 and 251,612.81

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Solution

The fourth proportional to 677,993.86, 1,016,957.92 and 251,612.81 is: 377,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,993.86 : 1,016,957.92 = 251,612.81 : x
  2. Step 2: Convert to fraction form
    677,993.86/1,016,957.92 = 251,612.81/x
  3. Step 3: Cross multiply
    677,993.86x = 1,016,957.92 × 251,612.81
  4. Step 4: Simplify right side
    677,993.86x = 255,879,639,902.96
  5. Step 5: Solve for x
    x = 255,879,639,902.96/677,993.86
  6. Step 6: Final answer
    x = 377,407.02

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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.