Home / 757,929.52-1,045,942.92-418,398

Finding the Fourth Proportional to 757,929.52, 1,045,942.92 and 418,398

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Solution

The fourth proportional to 757,929.52, 1,045,942.92 and 418,398 is: 577,389.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,929.52 : 1,045,942.92 = 418,398 : x
  2. Step 2: Convert to fraction form
    757,929.52/1,045,942.92 = 418,398/x
  3. Step 3: Cross multiply
    757,929.52x = 1,045,942.92 × 418,398
  4. Step 4: Simplify right side
    757,929.52x = 437,620,425,842.16
  5. Step 5: Solve for x
    x = 437,620,425,842.16/757,929.52
  6. Step 6: Final answer
    x = 577,389.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.