Home / 547,861.02-756,033.67-306,145.59

Finding the Fourth Proportional to 547,861.02, 756,033.67 and 306,145.59

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Solution

The fourth proportional to 547,861.02, 756,033.67 and 306,145.59 is: 422,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,861.02 : 756,033.67 = 306,145.59 : x
  2. Step 2: Convert to fraction form
    547,861.02/756,033.67 = 306,145.59/x
  3. Step 3: Cross multiply
    547,861.02x = 756,033.67 × 306,145.59
  4. Step 4: Simplify right side
    547,861.02x = 231,456,373,962.02
  5. Step 5: Solve for x
    x = 231,456,373,962.02/547,861.02
  6. Step 6: Final answer
    x = 422,472.79

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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.