Home / 720,216.41-1,080,301.37-214,781.58

Finding the Fourth Proportional to 720,216.41, 1,080,301.37 and 214,781.58

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Solution

The fourth proportional to 720,216.41, 1,080,301.37 and 214,781.58 is: 322,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,216.41 : 1,080,301.37 = 214,781.58 : x
  2. Step 2: Convert to fraction form
    720,216.41/1,080,301.37 = 214,781.58/x
  3. Step 3: Cross multiply
    720,216.41x = 1,080,301.37 × 214,781.58
  4. Step 4: Simplify right side
    720,216.41x = 232,028,834,050.86
  5. Step 5: Solve for x
    x = 232,028,834,050.86/720,216.41
  6. Step 6: Final answer
    x = 322,165.44

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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.