Home / 733,688.79-1,012,469.49-447,104.31

Finding the Fourth Proportional to 733,688.79, 1,012,469.49 and 447,104.31

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Solution

The fourth proportional to 733,688.79, 1,012,469.49 and 447,104.31 is: 616,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,688.79 : 1,012,469.49 = 447,104.31 : x
  2. Step 2: Convert to fraction form
    733,688.79/1,012,469.49 = 447,104.31/x
  3. Step 3: Cross multiply
    733,688.79x = 1,012,469.49 × 447,104.31
  4. Step 4: Simplify right side
    733,688.79x = 452,679,472,722.50
  5. Step 5: Solve for x
    x = 452,679,472,722.50/733,688.79
  6. Step 6: Final answer
    x = 616,991.13

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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.