Home / 684,273.56-944,280.79-378,342.17

Finding the Fourth Proportional to 684,273.56, 944,280.79 and 378,342.17

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Solution

The fourth proportional to 684,273.56, 944,280.79 and 378,342.17 is: 522,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,273.56 : 944,280.79 = 378,342.17 : x
  2. Step 2: Convert to fraction form
    684,273.56/944,280.79 = 378,342.17/x
  3. Step 3: Cross multiply
    684,273.56x = 944,280.79 × 378,342.17
  4. Step 4: Simplify right side
    684,273.56x = 357,261,243,177.91
  5. Step 5: Solve for x
    x = 357,261,243,177.91/684,273.56
  6. Step 6: Final answer
    x = 522,102.95

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Double scale
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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.