Home / 724,045.37-1,086,243.63-218,576.16

Finding the Fourth Proportional to 724,045.37, 1,086,243.63 and 218,576.16

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Solution

The fourth proportional to 724,045.37, 1,086,243.63 and 218,576.16 is: 327,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,045.37 : 1,086,243.63 = 218,576.16 : x
  2. Step 2: Convert to fraction form
    724,045.37/1,086,243.63 = 218,576.16/x
  3. Step 3: Cross multiply
    724,045.37x = 1,086,243.63 × 218,576.16
  4. Step 4: Simplify right side
    724,045.37x = 237,426,961,469.86
  5. Step 5: Solve for x
    x = 237,426,961,469.86/724,045.37
  6. Step 6: Final answer
    x = 327,917.24

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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.