Home / 824,674.82-1,237,044.94-392,288.46

Finding the Fourth Proportional to 824,674.82, 1,237,044.94 and 392,288.46

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Solution

The fourth proportional to 824,674.82, 1,237,044.94 and 392,288.46 is: 588,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,674.82 : 1,237,044.94 = 392,288.46 : x
  2. Step 2: Convert to fraction form
    824,674.82/1,237,044.94 = 392,288.46/x
  3. Step 3: Cross multiply
    824,674.82x = 1,237,044.94 × 392,288.46
  4. Step 4: Simplify right side
    824,674.82x = 485,278,454,463.39
  5. Step 5: Solve for x
    x = 485,278,454,463.39/824,674.82
  6. Step 6: Final answer
    x = 588,448.25

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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.