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Finding the Fourth Proportional to 609,917.64, 914,876.28 and 294,989.64

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Solution

The fourth proportional to 609,917.64, 914,876.28 and 294,989.64 is: 442,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,917.64 : 914,876.28 = 294,989.64 : x
  2. Step 2: Convert to fraction form
    609,917.64/914,876.28 = 294,989.64/x
  3. Step 3: Cross multiply
    609,917.64x = 914,876.28 × 294,989.64
  4. Step 4: Simplify right side
    609,917.64x = 269,879,024,481.74
  5. Step 5: Solve for x
    x = 269,879,024,481.74/609,917.64
  6. Step 6: Final answer
    x = 442,484.37

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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.