Home / 674,346.63-1,011,558.92-253,626.15

Finding the Fourth Proportional to 674,346.63, 1,011,558.92 and 253,626.15

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Solution

The fourth proportional to 674,346.63, 1,011,558.92 and 253,626.15 is: 380,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,346.63 : 1,011,558.92 = 253,626.15 : x
  2. Step 2: Convert to fraction form
    674,346.63/1,011,558.92 = 253,626.15/x
  3. Step 3: Cross multiply
    674,346.63x = 1,011,558.92 × 253,626.15
  4. Step 4: Simplify right side
    674,346.63x = 256,557,793,109.63
  5. Step 5: Solve for x
    x = 256,557,793,109.63/674,346.63
  6. Step 6: Final answer
    x = 380,453.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.