Home / 674,259.43-1,011,427.98-253,538.95

Finding the Fourth Proportional to 674,259.43, 1,011,427.98 and 253,538.95

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Solution

The fourth proportional to 674,259.43, 1,011,427.98 and 253,538.95 is: 380,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,259.43 : 1,011,427.98 = 253,538.95 : x
  2. Step 2: Convert to fraction form
    674,259.43/1,011,427.98 = 253,538.95/x
  3. Step 3: Cross multiply
    674,259.43x = 1,011,427.98 × 253,538.95
  4. Step 4: Simplify right side
    674,259.43x = 256,436,388,049.82
  5. Step 5: Solve for x
    x = 256,436,388,049.82/674,259.43
  6. Step 6: Final answer
    x = 380,323.03

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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.