Home / 869,065.20-1,303,727.40-308,055.60

Finding the Fourth Proportional to 869,065.20, 1,303,727.40 and 308,055.60

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Solution

The fourth proportional to 869,065.20, 1,303,727.40 and 308,055.60 is: 462,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,065.20 : 1,303,727.40 = 308,055.60 : x
  2. Step 2: Convert to fraction form
    869,065.20/1,303,727.40 = 308,055.60/x
  3. Step 3: Cross multiply
    869,065.20x = 1,303,727.40 × 308,055.60
  4. Step 4: Simplify right side
    869,065.20x = 401,620,526,443.44
  5. Step 5: Solve for x
    x = 401,620,526,443.44/869,065.20
  6. Step 6: Final answer
    x = 462,129.34

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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.