Home / 759,875.27-1,138,684.95-422,451.77

Finding the Fourth Proportional to 759,875.27, 1,138,684.95 and 422,451.77

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Solution

The fourth proportional to 759,875.27, 1,138,684.95 and 422,451.77 is: 633,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,875.27 : 1,138,684.95 = 422,451.77 : x
  2. Step 2: Convert to fraction form
    759,875.27/1,138,684.95 = 422,451.77/x
  3. Step 3: Cross multiply
    759,875.27x = 1,138,684.95 × 422,451.77
  4. Step 4: Simplify right side
    759,875.27x = 481,039,466,906.44
  5. Step 5: Solve for x
    x = 481,039,466,906.44/759,875.27
  6. Step 6: Final answer
    x = 633,050.57

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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.