Home / 722,749.48-1,084,789.66-368,017

Finding the Fourth Proportional to 722,749.48, 1,084,789.66 and 368,017

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Solution

The fourth proportional to 722,749.48, 1,084,789.66 and 368,017 is: 552,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,749.48 : 1,084,789.66 = 368,017 : x
  2. Step 2: Convert to fraction form
    722,749.48/1,084,789.66 = 368,017/x
  3. Step 3: Cross multiply
    722,749.48x = 1,084,789.66 × 368,017
  4. Step 4: Simplify right side
    722,749.48x = 399,221,036,304.22
  5. Step 5: Solve for x
    x = 399,221,036,304.22/722,749.48
  6. Step 6: Final answer
    x = 552,364.34

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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.