Home / 684,493.93-944,222.43-397,982.35

Finding the Fourth Proportional to 684,493.93, 944,222.43 and 397,982.35

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Solution

The fourth proportional to 684,493.93, 944,222.43 and 397,982.35 is: 548,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,493.93 : 944,222.43 = 397,982.35 : x
  2. Step 2: Convert to fraction form
    684,493.93/944,222.43 = 397,982.35/x
  3. Step 3: Cross multiply
    684,493.93x = 944,222.43 × 397,982.35
  4. Step 4: Simplify right side
    684,493.93x = 375,783,861,614.11
  5. Step 5: Solve for x
    x = 375,783,861,614.11/684,493.93
  6. Step 6: Final answer
    x = 548,995.17

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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.