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Finding the Fourth Proportional to 480,770.91, 663,384.60 and 265,869

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Solution

The fourth proportional to 480,770.91, 663,384.60 and 265,869 is: 366,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,770.91 : 663,384.60 = 265,869 : x
  2. Step 2: Convert to fraction form
    480,770.91/663,384.60 = 265,869/x
  3. Step 3: Cross multiply
    480,770.91x = 663,384.60 × 265,869
  4. Step 4: Simplify right side
    480,770.91x = 176,373,400,217.40
  5. Step 5: Solve for x
    x = 176,373,400,217.40/480,770.91
  6. Step 6: Final answer
    x = 366,855.39

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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.