Home / 690,717.70-1,036,216.68-217,292.95

Finding the Fourth Proportional to 690,717.70, 1,036,216.68 and 217,292.95

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Solution

The fourth proportional to 690,717.70, 1,036,216.68 and 217,292.95 is: 325,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,717.70 : 1,036,216.68 = 217,292.95 : x
  2. Step 2: Convert to fraction form
    690,717.70/1,036,216.68 = 217,292.95/x
  3. Step 3: Cross multiply
    690,717.70x = 1,036,216.68 × 217,292.95
  4. Step 4: Simplify right side
    690,717.70x = 225,162,579,236.41
  5. Step 5: Solve for x
    x = 225,162,579,236.41/690,717.70
  6. Step 6: Final answer
    x = 325,983.51

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1.5x scale

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.