Home / 527,105.58-727,108.75-333,453.21

Finding the Fourth Proportional to 527,105.58, 727,108.75 and 333,453.21

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Solution

The fourth proportional to 527,105.58, 727,108.75 and 333,453.21 is: 459,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,105.58 : 727,108.75 = 333,453.21 : x
  2. Step 2: Convert to fraction form
    527,105.58/727,108.75 = 333,453.21/x
  3. Step 3: Cross multiply
    527,105.58x = 727,108.75 × 333,453.21
  4. Step 4: Simplify right side
    527,105.58x = 242,456,746,706.59
  5. Step 5: Solve for x
    x = 242,456,746,706.59/527,105.58
  6. Step 6: Final answer
    x = 459,977.58

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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.