Home / 684,284.94-944,293.68-378,356.04

Finding the Fourth Proportional to 684,284.94, 944,293.68 and 378,356.04

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Solution

The fourth proportional to 684,284.94, 944,293.68 and 378,356.04 is: 522,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,284.94 : 944,293.68 = 378,356.04 : x
  2. Step 2: Convert to fraction form
    684,284.94/944,293.68 = 378,356.04/x
  3. Step 3: Cross multiply
    684,284.94x = 944,293.68 × 378,356.04
  4. Step 4: Simplify right side
    684,284.94x = 357,279,217,361.83
  5. Step 5: Solve for x
    x = 357,279,217,361.83/684,284.94
  6. Step 6: Final answer
    x = 522,120.53

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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.