Home / 723,578.12-1,085,523.92-218,096.81

Finding the Fourth Proportional to 723,578.12, 1,085,523.92 and 218,096.81

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Solution

The fourth proportional to 723,578.12, 1,085,523.92 and 218,096.81 is: 327,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,578.12 : 1,085,523.92 = 218,096.81 : x
  2. Step 2: Convert to fraction form
    723,578.12/1,085,523.92 = 218,096.81/x
  3. Step 3: Cross multiply
    723,578.12x = 1,085,523.92 × 218,096.81
  4. Step 4: Simplify right side
    723,578.12x = 236,749,303,040.21
  5. Step 5: Solve for x
    x = 236,749,303,040.21/723,578.12
  6. Step 6: Final answer
    x = 327,192.46

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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.