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Finding the Fourth Proportional to 603,916.59, 905,311.71 and 204,279.29

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Solution

The fourth proportional to 603,916.59, 905,311.71 and 204,279.29 is: 306,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,916.59 : 905,311.71 = 204,279.29 : x
  2. Step 2: Convert to fraction form
    603,916.59/905,311.71 = 204,279.29/x
  3. Step 3: Cross multiply
    603,916.59x = 905,311.71 × 204,279.29
  4. Step 4: Simplify right side
    603,916.59x = 184,936,428,820.93
  5. Step 5: Solve for x
    x = 184,936,428,820.93/603,916.59
  6. Step 6: Final answer
    x = 306,228.43

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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.