Home / 876,395.94-1,314,739.20-307,629.46

Finding the Fourth Proportional to 876,395.94, 1,314,739.20 and 307,629.46

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Solution

The fourth proportional to 876,395.94, 1,314,739.20 and 307,629.46 is: 461,495.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,395.94 : 1,314,739.20 = 307,629.46 : x
  2. Step 2: Convert to fraction form
    876,395.94/1,314,739.20 = 307,629.46/x
  3. Step 3: Cross multiply
    876,395.94x = 1,314,739.20 × 307,629.46
  4. Step 4: Simplify right side
    876,395.94x = 404,452,505,656.88
  5. Step 5: Solve for x
    x = 404,452,505,656.88/876,395.94
  6. Step 6: Final answer
    x = 461,495.18

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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.