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Finding the Fourth Proportional to 609,107.47, 840,590.72 and 333,484.63

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Solution

The fourth proportional to 609,107.47, 840,590.72 and 333,484.63 is: 460,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,107.47 : 840,590.72 = 333,484.63 : x
  2. Step 2: Convert to fraction form
    609,107.47/840,590.72 = 333,484.63/x
  3. Step 3: Cross multiply
    609,107.47x = 840,590.72 × 333,484.63
  4. Step 4: Simplify right side
    609,107.47x = 280,324,085,240.63
  5. Step 5: Solve for x
    x = 280,324,085,240.63/609,107.47
  6. Step 6: Final answer
    x = 460,221.06

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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.