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Finding the Fourth Proportional to 525,688.48, 725,771.46 and 342,101.92

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Solution

The fourth proportional to 525,688.48, 725,771.46 and 342,101.92 is: 472,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,688.48 : 725,771.46 = 342,101.92 : x
  2. Step 2: Convert to fraction form
    525,688.48/725,771.46 = 342,101.92/x
  3. Step 3: Cross multiply
    525,688.48x = 725,771.46 × 342,101.92
  4. Step 4: Simplify right side
    525,688.48x = 248,287,809,947.20
  5. Step 5: Solve for x
    x = 248,287,809,947.20/525,688.48
  6. Step 6: Final answer
    x = 472,309.78

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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.