Home / 538,154-742,504.72-374,627.24

Finding the Fourth Proportional to 538,154, 742,504.72 and 374,627.24

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Solution

The fourth proportional to 538,154, 742,504.72 and 374,627.24 is: 516,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,154 : 742,504.72 = 374,627.24 : x
  2. Step 2: Convert to fraction form
    538,154/742,504.72 = 374,627.24/x
  3. Step 3: Cross multiply
    538,154x = 742,504.72 × 374,627.24
  4. Step 4: Simplify right side
    538,154x = 278,162,493,940.57
  5. Step 5: Solve for x
    x = 278,162,493,940.57/538,154
  6. Step 6: Final answer
    x = 516,882.70

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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.