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Finding the Fourth Proportional to 737,903.35, 1,105,689.23 and 557,133.22

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Solution

The fourth proportional to 737,903.35, 1,105,689.23 and 557,133.22 is: 834,819.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,903.35 : 1,105,689.23 = 557,133.22 : x
  2. Step 2: Convert to fraction form
    737,903.35/1,105,689.23 = 557,133.22/x
  3. Step 3: Cross multiply
    737,903.35x = 1,105,689.23 × 557,133.22
  4. Step 4: Simplify right side
    737,903.35x = 616,016,192,715.11
  5. Step 5: Solve for x
    x = 616,016,192,715.11/737,903.35
  6. Step 6: Final answer
    x = 834,819.62

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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.