Home / 821,374.14-1,229,063.77-484,576.14

Finding the Fourth Proportional to 821,374.14, 1,229,063.77 and 484,576.14

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Solution

The fourth proportional to 821,374.14, 1,229,063.77 and 484,576.14 is: 725,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,374.14 : 1,229,063.77 = 484,576.14 : x
  2. Step 2: Convert to fraction form
    821,374.14/1,229,063.77 = 484,576.14/x
  3. Step 3: Cross multiply
    821,374.14x = 1,229,063.77 × 484,576.14
  4. Step 4: Simplify right side
    821,374.14x = 595,574,977,480.45
  5. Step 5: Solve for x
    x = 595,574,977,480.45/821,374.14
  6. Step 6: Final answer
    x = 725,095.85

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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.