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Finding the Fourth Proportional to 637,775.52, 956,707 and 211,310.52

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Solution

The fourth proportional to 637,775.52, 956,707 and 211,310.52 is: 316,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,775.52 : 956,707 = 211,310.52 : x
  2. Step 2: Convert to fraction form
    637,775.52/956,707 = 211,310.52/x
  3. Step 3: Cross multiply
    637,775.52x = 956,707 × 211,310.52
  4. Step 4: Simplify right side
    637,775.52x = 202,162,253,657.64
  5. Step 5: Solve for x
    x = 202,162,253,657.64/637,775.52
  6. Step 6: Final answer
    x = 316,980.27

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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.