Home / 818,836.24-1,228,944.48-345,861.04

Finding the Fourth Proportional to 818,836.24, 1,228,944.48 and 345,861.04

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Solution

The fourth proportional to 818,836.24, 1,228,944.48 and 345,861.04 is: 519,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,836.24 : 1,228,944.48 = 345,861.04 : x
  2. Step 2: Convert to fraction form
    818,836.24/1,228,944.48 = 345,861.04/x
  3. Step 3: Cross multiply
    818,836.24x = 1,228,944.48 × 345,861.04
  4. Step 4: Simplify right side
    818,836.24x = 425,044,015,955.06
  5. Step 5: Solve for x
    x = 425,044,015,955.06/818,836.24
  6. Step 6: Final answer
    x = 519,083.05

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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.