Home / 480,629.70-720,313.85-353,675.49

Finding the Fourth Proportional to 480,629.70, 720,313.85 and 353,675.49

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Solution

The fourth proportional to 480,629.70, 720,313.85 and 353,675.49 is: 530,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,629.70 : 720,313.85 = 353,675.49 : x
  2. Step 2: Convert to fraction form
    480,629.70/720,313.85 = 353,675.49/x
  3. Step 3: Cross multiply
    480,629.70x = 720,313.85 × 353,675.49
  4. Step 4: Simplify right side
    480,629.70x = 254,757,353,564.08
  5. Step 5: Solve for x
    x = 254,757,353,564.08/480,629.70
  6. Step 6: Final answer
    x = 530,049.13

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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.