Home / 695,464.09-1,043,345.94-215,682.21

Finding the Fourth Proportional to 695,464.09, 1,043,345.94 and 215,682.21

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Solution

The fourth proportional to 695,464.09, 1,043,345.94 and 215,682.21 is: 323,569.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,464.09 : 1,043,345.94 = 215,682.21 : x
  2. Step 2: Convert to fraction form
    695,464.09/1,043,345.94 = 215,682.21/x
  3. Step 3: Cross multiply
    695,464.09x = 1,043,345.94 × 215,682.21
  4. Step 4: Simplify right side
    695,464.09x = 225,031,154,446.95
  5. Step 5: Solve for x
    x = 225,031,154,446.95/695,464.09
  6. Step 6: Final answer
    x = 323,569.77

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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.