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Finding the Fourth Proportional to 659,604.87, 910,255.05 and 373,118.94

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Solution

The fourth proportional to 659,604.87, 910,255.05 and 373,118.94 is: 514,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,604.87 : 910,255.05 = 373,118.94 : x
  2. Step 2: Convert to fraction form
    659,604.87/910,255.05 = 373,118.94/x
  3. Step 3: Cross multiply
    659,604.87x = 910,255.05 × 373,118.94
  4. Step 4: Simplify right side
    659,604.87x = 339,633,399,385.65
  5. Step 5: Solve for x
    x = 339,633,399,385.65/659,604.87
  6. Step 6: Final answer
    x = 514,904.32

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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.