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Finding the Fourth Proportional to 525,660.29, 725,411.48 and 283,942.86

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Solution

The fourth proportional to 525,660.29, 725,411.48 and 283,942.86 is: 391,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,660.29 : 725,411.48 = 283,942.86 : x
  2. Step 2: Convert to fraction form
    525,660.29/725,411.48 = 283,942.86/x
  3. Step 3: Cross multiply
    525,660.29x = 725,411.48 × 283,942.86
  4. Step 4: Simplify right side
    525,660.29x = 205,975,410,308.03
  5. Step 5: Solve for x
    x = 205,975,410,308.03/525,660.29
  6. Step 6: Final answer
    x = 391,841.30

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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.