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Finding the Fourth Proportional to 684,494.93, 944,223.81 and 397,983.35

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Solution

The fourth proportional to 684,494.93, 944,223.81 and 397,983.35 is: 548,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,494.93 : 944,223.81 = 397,983.35 : x
  2. Step 2: Convert to fraction form
    684,494.93/944,223.81 = 397,983.35/x
  3. Step 3: Cross multiply
    684,494.93x = 944,223.81 × 397,983.35
  4. Step 4: Simplify right side
    684,494.93x = 375,785,355,053.56
  5. Step 5: Solve for x
    x = 375,785,355,053.56/684,494.93
  6. Step 6: Final answer
    x = 548,996.55

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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.