Home / 923,520.48-1,385,419.20-324,376.02

Finding the Fourth Proportional to 923,520.48, 1,385,419.20 and 324,376.02

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Solution

The fourth proportional to 923,520.48, 1,385,419.20 and 324,376.02 is: 486,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,520.48 : 1,385,419.20 = 324,376.02 : x
  2. Step 2: Convert to fraction form
    923,520.48/1,385,419.20 = 324,376.02/x
  3. Step 3: Cross multiply
    923,520.48x = 1,385,419.20 × 324,376.02
  4. Step 4: Simplify right side
    923,520.48x = 449,396,766,127.58
  5. Step 5: Solve for x
    x = 449,396,766,127.58/923,520.48
  6. Step 6: Final answer
    x = 486,612.67

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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.