Home / 637,540.72-956,081.28-210,997.74

Finding the Fourth Proportional to 637,540.72, 956,081.28 and 210,997.74

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Solution

The fourth proportional to 637,540.72, 956,081.28 and 210,997.74 is: 316,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,540.72 : 956,081.28 = 210,997.74 : x
  2. Step 2: Convert to fraction form
    637,540.72/956,081.28 = 210,997.74/x
  3. Step 3: Cross multiply
    637,540.72x = 956,081.28 × 210,997.74
  4. Step 4: Simplify right side
    637,540.72x = 201,730,989,336.31
  5. Step 5: Solve for x
    x = 201,730,989,336.31/637,540.72
  6. Step 6: Final answer
    x = 316,420.56

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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.