Home / 754,963.88-1,130,812.38-355,005.32

Finding the Fourth Proportional to 754,963.88, 1,130,812.38 and 355,005.32

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Solution

The fourth proportional to 754,963.88, 1,130,812.38 and 355,005.32 is: 531,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,963.88 : 1,130,812.38 = 355,005.32 : x
  2. Step 2: Convert to fraction form
    754,963.88/1,130,812.38 = 355,005.32/x
  3. Step 3: Cross multiply
    754,963.88x = 1,130,812.38 × 355,005.32
  4. Step 4: Simplify right side
    754,963.88x = 401,444,410,821.86
  5. Step 5: Solve for x
    x = 401,444,410,821.86/754,963.88
  6. Step 6: Final answer
    x = 531,739.89

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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.