Home / 818,884.08-1,228,311.54-345,573.54

Finding the Fourth Proportional to 818,884.08, 1,228,311.54 and 345,573.54

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Solution

The fourth proportional to 818,884.08, 1,228,311.54 and 345,573.54 is: 518,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,884.08 : 1,228,311.54 = 345,573.54 : x
  2. Step 2: Convert to fraction form
    818,884.08/1,228,311.54 = 345,573.54/x
  3. Step 3: Cross multiply
    818,884.08x = 1,228,311.54 × 345,573.54
  4. Step 4: Simplify right side
    818,884.08x = 424,471,967,100.65
  5. Step 5: Solve for x
    x = 424,471,967,100.65/818,884.08
  6. Step 6: Final answer
    x = 518,354.16

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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.