Home / 821,371.89-1,229,060.40-484,573.89

Finding the Fourth Proportional to 821,371.89, 1,229,060.40 and 484,573.89

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Solution

The fourth proportional to 821,371.89, 1,229,060.40 and 484,573.89 is: 725,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,371.89 : 1,229,060.40 = 484,573.89 : x
  2. Step 2: Convert to fraction form
    821,371.89/1,229,060.40 = 484,573.89/x
  3. Step 3: Cross multiply
    821,371.89x = 1,229,060.40 × 484,573.89
  4. Step 4: Simplify right side
    821,371.89x = 595,570,579,072.96
  5. Step 5: Solve for x
    x = 595,570,579,072.96/821,371.89
  6. Step 6: Final answer
    x = 725,092.48

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1.5x scale

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.