Home / 684,321.94-944,281.83-378,357.04

Finding the Fourth Proportional to 684,321.94, 944,281.83 and 378,357.04

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Solution

The fourth proportional to 684,321.94, 944,281.83 and 378,357.04 is: 522,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,321.94 : 944,281.83 = 378,357.04 : x
  2. Step 2: Convert to fraction form
    684,321.94/944,281.83 = 378,357.04/x
  3. Step 3: Cross multiply
    684,321.94x = 944,281.83 × 378,357.04
  4. Step 4: Simplify right side
    684,321.94x = 357,275,678,124.58
  5. Step 5: Solve for x
    x = 357,275,678,124.58/684,321.94
  6. Step 6: Final answer
    x = 522,087.13

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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.