Home / 869,110.20-1,303,892.10-336,648.60

Finding the Fourth Proportional to 869,110.20, 1,303,892.10 and 336,648.60

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Solution

The fourth proportional to 869,110.20, 1,303,892.10 and 336,648.60 is: 505,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,110.20 : 1,303,892.10 = 336,648.60 : x
  2. Step 2: Convert to fraction form
    869,110.20/1,303,892.10 = 336,648.60/x
  3. Step 3: Cross multiply
    869,110.20x = 1,303,892.10 × 336,648.60
  4. Step 4: Simplify right side
    869,110.20x = 438,953,450,016.06
  5. Step 5: Solve for x
    x = 438,953,450,016.06/869,110.20
  6. Step 6: Final answer
    x = 505,060.75

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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.