Home / 808,107.50-1,212,167.33-358,707.56

Finding the Fourth Proportional to 808,107.50, 1,212,167.33 and 358,707.56

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Solution

The fourth proportional to 808,107.50, 1,212,167.33 and 358,707.56 is: 538,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,107.50 : 1,212,167.33 = 358,707.56 : x
  2. Step 2: Convert to fraction form
    808,107.50/1,212,167.33 = 358,707.56/x
  3. Step 3: Cross multiply
    808,107.50x = 1,212,167.33 × 358,707.56
  4. Step 4: Simplify right side
    808,107.50x = 434,813,585,256.02
  5. Step 5: Solve for x
    x = 434,813,585,256.02/808,107.50
  6. Step 6: Final answer
    x = 538,064.04

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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.