Home / 708,772.32-1,062,846.54-259,376.40

Finding the Fourth Proportional to 708,772.32, 1,062,846.54 and 259,376.40

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Solution

The fourth proportional to 708,772.32, 1,062,846.54 and 259,376.40 is: 388,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,772.32 : 1,062,846.54 = 259,376.40 : x
  2. Step 2: Convert to fraction form
    708,772.32/1,062,846.54 = 259,376.40/x
  3. Step 3: Cross multiply
    708,772.32x = 1,062,846.54 × 259,376.40
  4. Step 4: Simplify right side
    708,772.32x = 275,677,309,297.66
  5. Step 5: Solve for x
    x = 275,677,309,297.66/708,772.32
  6. Step 6: Final answer
    x = 388,950.45

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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.