Home / 818,841.24-1,228,951.98-345,866.04

Finding the Fourth Proportional to 818,841.24, 1,228,951.98 and 345,866.04

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Solution

The fourth proportional to 818,841.24, 1,228,951.98 and 345,866.04 is: 519,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,841.24 : 1,228,951.98 = 345,866.04 : x
  2. Step 2: Convert to fraction form
    818,841.24/1,228,951.98 = 345,866.04/x
  3. Step 3: Cross multiply
    818,841.24x = 1,228,951.98 × 345,866.04
  4. Step 4: Simplify right side
    818,841.24x = 425,052,754,672.76
  5. Step 5: Solve for x
    x = 425,052,754,672.76/818,841.24
  6. Step 6: Final answer
    x = 519,090.56

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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.