Home / 876,405.09-1,314,682.91-307,737.32

Finding the Fourth Proportional to 876,405.09, 1,314,682.91 and 307,737.32

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Solution

The fourth proportional to 876,405.09, 1,314,682.91 and 307,737.32 is: 461,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,405.09 : 1,314,682.91 = 307,737.32 : x
  2. Step 2: Convert to fraction form
    876,405.09/1,314,682.91 = 307,737.32/x
  3. Step 3: Cross multiply
    876,405.09x = 1,314,682.91 × 307,737.32
  4. Step 4: Simplify right side
    876,405.09x = 404,576,988,415.12
  5. Step 5: Solve for x
    x = 404,576,988,415.12/876,405.09
  6. Step 6: Final answer
    x = 461,632.40

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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.