Home / 525,746.31-725,529.06-299,391.81

Finding the Fourth Proportional to 525,746.31, 725,529.06 and 299,391.81

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Solution

The fourth proportional to 525,746.31, 725,529.06 and 299,391.81 is: 413,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,746.31 : 725,529.06 = 299,391.81 : x
  2. Step 2: Convert to fraction form
    525,746.31/725,529.06 = 299,391.81/x
  3. Step 3: Cross multiply
    525,746.31x = 725,529.06 × 299,391.81
  4. Step 4: Simplify right side
    525,746.31x = 217,217,458,481.00
  5. Step 5: Solve for x
    x = 217,217,458,481.00/525,746.31
  6. Step 6: Final answer
    x = 413,160.22

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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.