Home / 757,898.92-1,045,908.90-418,367.56

Finding the Fourth Proportional to 757,898.92, 1,045,908.90 and 418,367.56

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Solution

The fourth proportional to 757,898.92, 1,045,908.90 and 418,367.56 is: 577,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,898.92 : 1,045,908.90 = 418,367.56 : x
  2. Step 2: Convert to fraction form
    757,898.92/1,045,908.90 = 418,367.56/x
  3. Step 3: Cross multiply
    757,898.92x = 1,045,908.90 × 418,367.56
  4. Step 4: Simplify right side
    757,898.92x = 437,574,354,475.28
  5. Step 5: Solve for x
    x = 437,574,354,475.28/757,898.92
  6. Step 6: Final answer
    x = 577,351.86

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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.