Home / 821,358.51-1,229,040.36-484,560.51

Finding the Fourth Proportional to 821,358.51, 1,229,040.36 and 484,560.51

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Solution

The fourth proportional to 821,358.51, 1,229,040.36 and 484,560.51 is: 725,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,358.51 : 1,229,040.36 = 484,560.51 : x
  2. Step 2: Convert to fraction form
    821,358.51/1,229,040.36 = 484,560.51/x
  3. Step 3: Cross multiply
    821,358.51x = 1,229,040.36 × 484,560.51
  4. Step 4: Simplify right side
    821,358.51x = 595,544,423,652.18
  5. Step 5: Solve for x
    x = 595,544,423,652.18/821,358.51
  6. Step 6: Final answer
    x = 725,072.45

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