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Finding the Fourth Proportional to 486,000.30, 726,667.65 and 360,029.10

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Solution

The fourth proportional to 486,000.30, 726,667.65 and 360,029.10 is: 538,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,000.30 : 726,667.65 = 360,029.10 : x
  2. Step 2: Convert to fraction form
    486,000.30/726,667.65 = 360,029.10/x
  3. Step 3: Cross multiply
    486,000.30x = 726,667.65 × 360,029.10
  4. Step 4: Simplify right side
    486,000.30x = 261,621,500,028.62
  5. Step 5: Solve for x
    x = 261,621,500,028.62/486,000.30
  6. Step 6: Final answer
    x = 538,315.51

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1.5x scale

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.