Home / 684,367.41-944,433.12-378,464.37

Finding the Fourth Proportional to 684,367.41, 944,433.12 and 378,464.37

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Solution

The fourth proportional to 684,367.41, 944,433.12 and 378,464.37 is: 522,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,367.41 : 944,433.12 = 378,464.37 : x
  2. Step 2: Convert to fraction form
    684,367.41/944,433.12 = 378,464.37/x
  3. Step 3: Cross multiply
    684,367.41x = 944,433.12 × 378,464.37
  4. Step 4: Simplify right side
    684,367.41x = 357,434,285,767.93
  5. Step 5: Solve for x
    x = 357,434,285,767.93/684,367.41
  6. Step 6: Final answer
    x = 522,284.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.