Home / 818,548.60-1,227,822.90-419,056.60

Finding the Fourth Proportional to 818,548.60, 1,227,822.90 and 419,056.60

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Solution

The fourth proportional to 818,548.60, 1,227,822.90 and 419,056.60 is: 628,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,548.60 : 1,227,822.90 = 419,056.60 : x
  2. Step 2: Convert to fraction form
    818,548.60/1,227,822.90 = 419,056.60/x
  3. Step 3: Cross multiply
    818,548.60x = 1,227,822.90 × 419,056.60
  4. Step 4: Simplify right side
    818,548.60x = 514,527,289,876.14
  5. Step 5: Solve for x
    x = 514,527,289,876.14/818,548.60
  6. Step 6: Final answer
    x = 628,584.90

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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.