Home / 674,264.40-1,011,544.29-253,540.28

Finding the Fourth Proportional to 674,264.40, 1,011,544.29 and 253,540.28

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Solution

The fourth proportional to 674,264.40, 1,011,544.29 and 253,540.28 is: 380,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,264.40 : 1,011,544.29 = 253,540.28 : x
  2. Step 2: Convert to fraction form
    674,264.40/1,011,544.29 = 253,540.28/x
  3. Step 3: Cross multiply
    674,264.40x = 1,011,544.29 × 253,540.28
  4. Step 4: Simplify right side
    674,264.40x = 256,467,222,519.00
  5. Step 5: Solve for x
    x = 256,467,222,519.00/674,264.40
  6. Step 6: Final answer
    x = 380,365.96

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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.