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Finding the Fourth Proportional to 540,869.54, 746,310.78 and 299,104.88

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Solution

The fourth proportional to 540,869.54, 746,310.78 and 299,104.88 is: 412,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,869.54 : 746,310.78 = 299,104.88 : x
  2. Step 2: Convert to fraction form
    540,869.54/746,310.78 = 299,104.88/x
  3. Step 3: Cross multiply
    540,869.54x = 746,310.78 × 299,104.88
  4. Step 4: Simplify right side
    540,869.54x = 223,225,192,563.05
  5. Step 5: Solve for x
    x = 223,225,192,563.05/540,869.54
  6. Step 6: Final answer
    x = 412,715.41

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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.