Home / 826,636.76-1,238,800.30-446,738.48

Finding the Fourth Proportional to 826,636.76, 1,238,800.30 and 446,738.48

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Solution

The fourth proportional to 826,636.76, 1,238,800.30 and 446,738.48 is: 669,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,636.76 : 1,238,800.30 = 446,738.48 : x
  2. Step 2: Convert to fraction form
    826,636.76/1,238,800.30 = 446,738.48/x
  3. Step 3: Cross multiply
    826,636.76x = 1,238,800.30 × 446,738.48
  4. Step 4: Simplify right side
    826,636.76x = 553,419,763,045.54
  5. Step 5: Solve for x
    x = 553,419,763,045.54/826,636.76
  6. Step 6: Final answer
    x = 669,483.61

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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.