Home / 714,364.20-1,071,587.34-259,054.56

Finding the Fourth Proportional to 714,364.20, 1,071,587.34 and 259,054.56

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Solution

The fourth proportional to 714,364.20, 1,071,587.34 and 259,054.56 is: 388,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,364.20 : 1,071,587.34 = 259,054.56 : x
  2. Step 2: Convert to fraction form
    714,364.20/1,071,587.34 = 259,054.56/x
  3. Step 3: Cross multiply
    714,364.20x = 1,071,587.34 × 259,054.56
  4. Step 4: Simplify right side
    714,364.20x = 277,599,586,865.27
  5. Step 5: Solve for x
    x = 277,599,586,865.27/714,364.20
  6. Step 6: Final answer
    x = 388,596.72

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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.