Home / 786,270.24-1,084,791.93-640,825.93

Finding the Fourth Proportional to 786,270.24, 1,084,791.93 and 640,825.93

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Solution

The fourth proportional to 786,270.24, 1,084,791.93 and 640,825.93 is: 884,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,270.24 : 1,084,791.93 = 640,825.93 : x
  2. Step 2: Convert to fraction form
    786,270.24/1,084,791.93 = 640,825.93/x
  3. Step 3: Cross multiply
    786,270.24x = 1,084,791.93 × 640,825.93
  4. Step 4: Simplify right side
    786,270.24x = 695,162,796,351.64
  5. Step 5: Solve for x
    x = 695,162,796,351.64/786,270.24
  6. Step 6: Final answer
    x = 884,127.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.