Home / 486,507.72-729,717.03-344,960.22

Finding the Fourth Proportional to 486,507.72, 729,717.03 and 344,960.22

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Solution

The fourth proportional to 486,507.72, 729,717.03 and 344,960.22 is: 517,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,507.72 : 729,717.03 = 344,960.22 : x
  2. Step 2: Convert to fraction form
    486,507.72/729,717.03 = 344,960.22/x
  3. Step 3: Cross multiply
    486,507.72x = 729,717.03 × 344,960.22
  4. Step 4: Simplify right side
    486,507.72x = 251,723,347,206.55
  5. Step 5: Solve for x
    x = 251,723,347,206.55/486,507.72
  6. Step 6: Final answer
    x = 517,408.74

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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.