Home / 824,401.46-1,236,778.77-255,770.33

Finding the Fourth Proportional to 824,401.46, 1,236,778.77 and 255,770.33

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Solution

The fourth proportional to 824,401.46, 1,236,778.77 and 255,770.33 is: 383,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,401.46 : 1,236,778.77 = 255,770.33 : x
  2. Step 2: Convert to fraction form
    824,401.46/1,236,778.77 = 255,770.33/x
  3. Step 3: Cross multiply
    824,401.46x = 1,236,778.77 × 255,770.33
  4. Step 4: Simplify right side
    824,401.46x = 316,331,308,915.14
  5. Step 5: Solve for x
    x = 316,331,308,915.14/824,401.46
  6. Step 6: Final answer
    x = 383,710.27

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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.