Home / 708,622.35-1,062,621.86-259,226.66

Finding the Fourth Proportional to 708,622.35, 1,062,621.86 and 259,226.66

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Solution

The fourth proportional to 708,622.35, 1,062,621.86 and 259,226.66 is: 388,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,622.35 : 1,062,621.86 = 259,226.66 : x
  2. Step 2: Convert to fraction form
    708,622.35/1,062,621.86 = 259,226.66/x
  3. Step 3: Cross multiply
    708,622.35x = 1,062,621.86 × 259,226.66
  4. Step 4: Simplify right side
    708,622.35x = 275,459,909,001.55
  5. Step 5: Solve for x
    x = 275,459,909,001.55/708,622.35
  6. Step 6: Final answer
    x = 388,725.97

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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.