Home / 714,361.74-1,071,263.34-258,844.78

Finding the Fourth Proportional to 714,361.74, 1,071,263.34 and 258,844.78

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Solution

The fourth proportional to 714,361.74, 1,071,263.34 and 258,844.78 is: 388,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,361.74 : 1,071,263.34 = 258,844.78 : x
  2. Step 2: Convert to fraction form
    714,361.74/1,071,263.34 = 258,844.78/x
  3. Step 3: Cross multiply
    714,361.74x = 1,071,263.34 × 258,844.78
  4. Step 4: Simplify right side
    714,361.74x = 277,290,923,564.37
  5. Step 5: Solve for x
    x = 277,290,923,564.37/714,361.74
  6. Step 6: Final answer
    x = 388,165.98

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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.