Home / 923,419.16-1,385,207.70-324,328.16

Finding the Fourth Proportional to 923,419.16, 1,385,207.70 and 324,328.16

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Solution

The fourth proportional to 923,419.16, 1,385,207.70 and 324,328.16 is: 486,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,419.16 : 1,385,207.70 = 324,328.16 : x
  2. Step 2: Convert to fraction form
    923,419.16/1,385,207.70 = 324,328.16/x
  3. Step 3: Cross multiply
    923,419.16x = 1,385,207.70 × 324,328.16
  4. Step 4: Simplify right side
    923,419.16x = 449,261,864,558.83
  5. Step 5: Solve for x
    x = 449,261,864,558.83/923,419.16
  6. Step 6: Final answer
    x = 486,519.97

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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.