Home / 479,431.17-661,614.35-264,571.20

Finding the Fourth Proportional to 479,431.17, 661,614.35 and 264,571.20

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Solution

The fourth proportional to 479,431.17, 661,614.35 and 264,571.20 is: 365,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,431.17 : 661,614.35 = 264,571.20 : x
  2. Step 2: Convert to fraction form
    479,431.17/661,614.35 = 264,571.20/x
  3. Step 3: Cross multiply
    479,431.17x = 661,614.35 × 264,571.20
  4. Step 4: Simplify right side
    479,431.17x = 175,044,101,193.86
  5. Step 5: Solve for x
    x = 175,044,101,193.86/479,431.17
  6. Step 6: Final answer
    x = 365,107.89

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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.