Home / 869,132.30-1,303,698.45-308,093.90

Finding the Fourth Proportional to 869,132.30, 1,303,698.45 and 308,093.90

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Solution

The fourth proportional to 869,132.30, 1,303,698.45 and 308,093.90 is: 462,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,132.30 : 1,303,698.45 = 308,093.90 : x
  2. Step 2: Convert to fraction form
    869,132.30/1,303,698.45 = 308,093.90/x
  3. Step 3: Cross multiply
    869,132.30x = 1,303,698.45 × 308,093.90
  4. Step 4: Simplify right side
    869,132.30x = 401,661,539,884.46
  5. Step 5: Solve for x
    x = 401,661,539,884.46/869,132.30
  6. Step 6: Final answer
    x = 462,140.85

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Similar ratio
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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.