Home / 818,844.80-1,228,957.33-345,869.60

Finding the Fourth Proportional to 818,844.80, 1,228,957.33 and 345,869.60

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Solution

The fourth proportional to 818,844.80, 1,228,957.33 and 345,869.60 is: 519,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,844.80 : 1,228,957.33 = 345,869.60 : x
  2. Step 2: Convert to fraction form
    818,844.80/1,228,957.33 = 345,869.60/x
  3. Step 3: Cross multiply
    818,844.80x = 1,228,957.33 × 345,869.60
  4. Step 4: Simplify right side
    818,844.80x = 425,058,982,351.89
  5. Step 5: Solve for x
    x = 425,058,982,351.89/818,844.80
  6. Step 6: Final answer
    x = 519,095.90

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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.