Home / 486,588.20-729,882.30-171,004.10

Finding the Fourth Proportional to 486,588.20, 729,882.30 and 171,004.10

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Solution

The fourth proportional to 486,588.20, 729,882.30 and 171,004.10 is: 256,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,588.20 : 729,882.30 = 171,004.10 : x
  2. Step 2: Convert to fraction form
    486,588.20/729,882.30 = 171,004.10/x
  3. Step 3: Cross multiply
    486,588.20x = 729,882.30 × 171,004.10
  4. Step 4: Simplify right side
    486,588.20x = 124,812,865,817.43
  5. Step 5: Solve for x
    x = 124,812,865,817.43/486,588.20
  6. Step 6: Final answer
    x = 256,506.15

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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.