Home / 496,286.20-744,429.30-307,329.40

Finding the Fourth Proportional to 496,286.20, 744,429.30 and 307,329.40

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Solution

The fourth proportional to 496,286.20, 744,429.30 and 307,329.40 is: 460,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,286.20 : 744,429.30 = 307,329.40 : x
  2. Step 2: Convert to fraction form
    496,286.20/744,429.30 = 307,329.40/x
  3. Step 3: Cross multiply
    496,286.20x = 744,429.30 × 307,329.40
  4. Step 4: Simplify right side
    496,286.20x = 228,785,010,111.42
  5. Step 5: Solve for x
    x = 228,785,010,111.42/496,286.20
  6. Step 6: Final answer
    x = 460,994.10

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Similar ratio
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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.