Home / 714,360.74-1,071,261.84-258,843.78

Finding the Fourth Proportional to 714,360.74, 1,071,261.84 and 258,843.78

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Solution

The fourth proportional to 714,360.74, 1,071,261.84 and 258,843.78 is: 388,164.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,360.74 : 1,071,261.84 = 258,843.78 : x
  2. Step 2: Convert to fraction form
    714,360.74/1,071,261.84 = 258,843.78/x
  3. Step 3: Cross multiply
    714,360.74x = 1,071,261.84 × 258,843.78
  4. Step 4: Simplify right side
    714,360.74x = 277,289,464,035.36
  5. Step 5: Solve for x
    x = 277,289,464,035.36/714,360.74
  6. Step 6: Final answer
    x = 388,164.48

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1.5x scale

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.