Home / 722,818.91-1,084,281.63-190,336.25

Finding the Fourth Proportional to 722,818.91, 1,084,281.63 and 190,336.25

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Solution

The fourth proportional to 722,818.91, 1,084,281.63 and 190,336.25 is: 285,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,818.91 : 1,084,281.63 = 190,336.25 : x
  2. Step 2: Convert to fraction form
    722,818.91/1,084,281.63 = 190,336.25/x
  3. Step 3: Cross multiply
    722,818.91x = 1,084,281.63 × 190,336.25
  4. Step 4: Simplify right side
    722,818.91x = 206,378,099,398.09
  5. Step 5: Solve for x
    x = 206,378,099,398.09/722,818.91
  6. Step 6: Final answer
    x = 285,518.40

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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.