Home / 714,560.70-1,071,846.81-259,473.66

Finding the Fourth Proportional to 714,560.70, 1,071,846.81 and 259,473.66

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Solution

The fourth proportional to 714,560.70, 1,071,846.81 and 259,473.66 is: 389,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,560.70 : 1,071,846.81 = 259,473.66 : x
  2. Step 2: Convert to fraction form
    714,560.70/1,071,846.81 = 259,473.66/x
  3. Step 3: Cross multiply
    714,560.70x = 1,071,846.81 × 259,473.66
  4. Step 4: Simplify right side
    714,560.70x = 278,116,014,750.03
  5. Step 5: Solve for x
    x = 278,116,014,750.03/714,560.70
  6. Step 6: Final answer
    x = 389,212.58

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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.