Home / 460,934.22-691,401.30-145,415.73

Finding the Fourth Proportional to 460,934.22, 691,401.30 and 145,415.73

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Solution

The fourth proportional to 460,934.22, 691,401.30 and 145,415.73 is: 218,123.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,934.22 : 691,401.30 = 145,415.73 : x
  2. Step 2: Convert to fraction form
    460,934.22/691,401.30 = 145,415.73/x
  3. Step 3: Cross multiply
    460,934.22x = 691,401.30 × 145,415.73
  4. Step 4: Simplify right side
    460,934.22x = 100,540,624,762.45
  5. Step 5: Solve for x
    x = 100,540,624,762.45/460,934.22
  6. Step 6: Final answer
    x = 218,123.59

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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.