Home / 684,492.93-944,221.05-397,981.35

Finding the Fourth Proportional to 684,492.93, 944,221.05 and 397,981.35

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Solution

The fourth proportional to 684,492.93, 944,221.05 and 397,981.35 is: 548,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,492.93 : 944,221.05 = 397,981.35 : x
  2. Step 2: Convert to fraction form
    684,492.93/944,221.05 = 397,981.35/x
  3. Step 3: Cross multiply
    684,492.93x = 944,221.05 × 397,981.35
  4. Step 4: Simplify right side
    684,492.93x = 375,782,368,177.42
  5. Step 5: Solve for x
    x = 375,782,368,177.42/684,492.93
  6. Step 6: Final answer
    x = 548,993.79

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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.