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Finding the Fourth Proportional to 469,379.53, 647,504.94 and 297,006.85

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Solution

The fourth proportional to 469,379.53, 647,504.94 and 297,006.85 is: 409,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,379.53 : 647,504.94 = 297,006.85 : x
  2. Step 2: Convert to fraction form
    469,379.53/647,504.94 = 297,006.85/x
  3. Step 3: Cross multiply
    469,379.53x = 647,504.94 × 297,006.85
  4. Step 4: Simplify right side
    469,379.53x = 192,313,402,588.84
  5. Step 5: Solve for x
    x = 192,313,402,588.84/469,379.53
  6. Step 6: Final answer
    x = 409,718.34

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1.5x scale

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.