Home / 493,286.10-739,929.15-304,329.30

Finding the Fourth Proportional to 493,286.10, 739,929.15 and 304,329.30

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Solution

The fourth proportional to 493,286.10, 739,929.15 and 304,329.30 is: 456,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,286.10 : 739,929.15 = 304,329.30 : x
  2. Step 2: Convert to fraction form
    493,286.10/739,929.15 = 304,329.30/x
  3. Step 3: Cross multiply
    493,286.10x = 739,929.15 × 304,329.30
  4. Step 4: Simplify right side
    493,286.10x = 225,182,120,269.10
  5. Step 5: Solve for x
    x = 225,182,120,269.10/493,286.10
  6. Step 6: Final answer
    x = 456,493.95

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Double scale
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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.