Home / 684,206.20-944,250.78-397,725.40

Finding the Fourth Proportional to 684,206.20, 944,250.78 and 397,725.40

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Solution

The fourth proportional to 684,206.20, 944,250.78 and 397,725.40 is: 548,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,206.20 : 944,250.78 = 397,725.40 : x
  2. Step 2: Convert to fraction form
    684,206.20/944,250.78 = 397,725.40/x
  3. Step 3: Cross multiply
    684,206.20x = 944,250.78 × 397,725.40
  4. Step 4: Simplify right side
    684,206.20x = 375,552,519,175.81
  5. Step 5: Solve for x
    x = 375,552,519,175.81/684,206.20
  6. Step 6: Final answer
    x = 548,887.92

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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.