Home / 637,538.72-956,078.28-210,995.73

Finding the Fourth Proportional to 637,538.72, 956,078.28 and 210,995.73

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Solution

The fourth proportional to 637,538.72, 956,078.28 and 210,995.73 is: 316,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,538.72 : 956,078.28 = 210,995.73 : x
  2. Step 2: Convert to fraction form
    637,538.72/956,078.28 = 210,995.73/x
  3. Step 3: Cross multiply
    637,538.72x = 956,078.28 × 210,995.73
  4. Step 4: Simplify right side
    637,538.72x = 201,728,434,625.74
  5. Step 5: Solve for x
    x = 201,728,434,625.74/637,538.72
  6. Step 6: Final answer
    x = 316,417.54

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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.