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Finding the Fourth Proportional to 600,239.58, 899,359.83 and 422,372.90

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Solution

The fourth proportional to 600,239.58, 899,359.83 and 422,372.90 is: 632,855.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,239.58 : 899,359.83 = 422,372.90 : x
  2. Step 2: Convert to fraction form
    600,239.58/899,359.83 = 422,372.90/x
  3. Step 3: Cross multiply
    600,239.58x = 899,359.83 × 422,372.90
  4. Step 4: Simplify right side
    600,239.58x = 379,865,215,043.81
  5. Step 5: Solve for x
    x = 379,865,215,043.81/600,239.58
  6. Step 6: Final answer
    x = 632,855.99

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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.