Home / 714,553.54-1,071,014.94-287,816.22

Finding the Fourth Proportional to 714,553.54, 1,071,014.94 and 287,816.22

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Solution

The fourth proportional to 714,553.54, 1,071,014.94 and 287,816.22 is: 431,395.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,553.54 : 1,071,014.94 = 287,816.22 : x
  2. Step 2: Convert to fraction form
    714,553.54/1,071,014.94 = 287,816.22/x
  3. Step 3: Cross multiply
    714,553.54x = 1,071,014.94 × 287,816.22
  4. Step 4: Simplify right side
    714,553.54x = 308,255,471,594.33
  5. Step 5: Solve for x
    x = 308,255,471,594.33/714,553.54
  6. Step 6: Final answer
    x = 431,395.91

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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.