Home / 824,678.10-1,237,049.82-392,291.70

Finding the Fourth Proportional to 824,678.10, 1,237,049.82 and 392,291.70

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Solution

The fourth proportional to 824,678.10, 1,237,049.82 and 392,291.70 is: 588,453.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,678.10 : 1,237,049.82 = 392,291.70 : x
  2. Step 2: Convert to fraction form
    824,678.10/1,237,049.82 = 392,291.70/x
  3. Step 3: Cross multiply
    824,678.10x = 1,237,049.82 × 392,291.70
  4. Step 4: Simplify right side
    824,678.10x = 485,284,376,872.49
  5. Step 5: Solve for x
    x = 485,284,376,872.49/824,678.10
  6. Step 6: Final answer
    x = 588,453.09

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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.