Home / 544,644.06-751,556.15-315,155.57

Finding the Fourth Proportional to 544,644.06, 751,556.15 and 315,155.57

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Solution

The fourth proportional to 544,644.06, 751,556.15 and 315,155.57 is: 434,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,644.06 : 751,556.15 = 315,155.57 : x
  2. Step 2: Convert to fraction form
    544,644.06/751,556.15 = 315,155.57/x
  3. Step 3: Cross multiply
    544,644.06x = 751,556.15 × 315,155.57
  4. Step 4: Simplify right side
    544,644.06x = 236,857,101,506.70
  5. Step 5: Solve for x
    x = 236,857,101,506.70/544,644.06
  6. Step 6: Final answer
    x = 434,884.21

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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.