Home / 677,297.40-1,016,001.32-340,164.60

Finding the Fourth Proportional to 677,297.40, 1,016,001.32 and 340,164.60

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Solution

The fourth proportional to 677,297.40, 1,016,001.32 and 340,164.60 is: 510,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,297.40 : 1,016,001.32 = 340,164.60 : x
  2. Step 2: Convert to fraction form
    677,297.40/1,016,001.32 = 340,164.60/x
  3. Step 3: Cross multiply
    677,297.40x = 1,016,001.32 × 340,164.60
  4. Step 4: Simplify right side
    677,297.40x = 345,607,682,617.27
  5. Step 5: Solve for x
    x = 345,607,682,617.27/677,297.40
  6. Step 6: Final answer
    x = 510,274.63

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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.