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Finding the Fourth Proportional to 609,439.80, 914,159.70 and 294,511.80

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Solution

The fourth proportional to 609,439.80, 914,159.70 and 294,511.80 is: 441,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,439.80 : 914,159.70 = 294,511.80 : x
  2. Step 2: Convert to fraction form
    609,439.80/914,159.70 = 294,511.80/x
  3. Step 3: Cross multiply
    609,439.80x = 914,159.70 × 294,511.80
  4. Step 4: Simplify right side
    609,439.80x = 269,230,818,734.46
  5. Step 5: Solve for x
    x = 269,230,818,734.46/609,439.80
  6. Step 6: Final answer
    x = 441,767.70

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Similar ratio
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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.