Home / 637,431.58-956,138.73-217,000.54

Finding the Fourth Proportional to 637,431.58, 956,138.73 and 217,000.54

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Solution

The fourth proportional to 637,431.58, 956,138.73 and 217,000.54 is: 325,497.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,431.58 : 956,138.73 = 217,000.54 : x
  2. Step 2: Convert to fraction form
    637,431.58/956,138.73 = 217,000.54/x
  3. Step 3: Cross multiply
    637,431.58x = 956,138.73 × 217,000.54
  4. Step 4: Simplify right side
    637,431.58x = 207,482,620,724.91
  5. Step 5: Solve for x
    x = 207,482,620,724.91/637,431.58
  6. Step 6: Final answer
    x = 325,497.87

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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.