Home / 453,827.52-626,453.34-356,778.18

Finding the Fourth Proportional to 453,827.52, 626,453.34 and 356,778.18

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Solution

The fourth proportional to 453,827.52, 626,453.34 and 356,778.18 is: 492,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,827.52 : 626,453.34 = 356,778.18 : x
  2. Step 2: Convert to fraction form
    453,827.52/626,453.34 = 356,778.18/x
  3. Step 3: Cross multiply
    453,827.52x = 626,453.34 × 356,778.18
  4. Step 4: Simplify right side
    453,827.52x = 223,504,882,500.12
  5. Step 5: Solve for x
    x = 223,504,882,500.12/453,827.52
  6. Step 6: Final answer
    x = 492,488.61

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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.