Home / 684,273.26-944,280.33-378,341.57

Finding the Fourth Proportional to 684,273.26, 944,280.33 and 378,341.57

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Solution

The fourth proportional to 684,273.26, 944,280.33 and 378,341.57 is: 522,102.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,273.26 : 944,280.33 = 378,341.57 : x
  2. Step 2: Convert to fraction form
    684,273.26/944,280.33 = 378,341.57/x
  3. Step 3: Cross multiply
    684,273.26x = 944,280.33 × 378,341.57
  4. Step 4: Simplify right side
    684,273.26x = 357,260,497,850.92
  5. Step 5: Solve for x
    x = 357,260,497,850.92/684,273.26
  6. Step 6: Final answer
    x = 522,102.09

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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.