Home / 479,645.37-661,912.73-264,787.20

Finding the Fourth Proportional to 479,645.37, 661,912.73 and 264,787.20

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Solution

The fourth proportional to 479,645.37, 661,912.73 and 264,787.20 is: 365,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,645.37 : 661,912.73 = 264,787.20 : x
  2. Step 2: Convert to fraction form
    479,645.37/661,912.73 = 264,787.20/x
  3. Step 3: Cross multiply
    479,645.37x = 661,912.73 × 264,787.20
  4. Step 4: Simplify right side
    479,645.37x = 175,266,018,421.06
  5. Step 5: Solve for x
    x = 175,266,018,421.06/479,645.37
  6. Step 6: Final answer
    x = 365,407.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.