Home / 684,472.62-1,026,805.42-211,196.46

Finding the Fourth Proportional to 684,472.62, 1,026,805.42 and 211,196.46

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Solution

The fourth proportional to 684,472.62, 1,026,805.42 and 211,196.46 is: 316,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,472.62 : 1,026,805.42 = 211,196.46 : x
  2. Step 2: Convert to fraction form
    684,472.62/1,026,805.42 = 211,196.46/x
  3. Step 3: Cross multiply
    684,472.62x = 1,026,805.42 × 211,196.46
  4. Step 4: Simplify right side
    684,472.62x = 216,857,669,812.81
  5. Step 5: Solve for x
    x = 216,857,669,812.81/684,472.62
  6. Step 6: Final answer
    x = 316,824.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.