Home / 708,688.80-1,063,247.78-253,220.38

Finding the Fourth Proportional to 708,688.80, 1,063,247.78 and 253,220.38

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Solution

The fourth proportional to 708,688.80, 1,063,247.78 and 253,220.38 is: 379,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,688.80 : 1,063,247.78 = 253,220.38 : x
  2. Step 2: Convert to fraction form
    708,688.80/1,063,247.78 = 253,220.38/x
  3. Step 3: Cross multiply
    708,688.80x = 1,063,247.78 × 253,220.38
  4. Step 4: Simplify right side
    708,688.80x = 269,236,004,860.69
  5. Step 5: Solve for x
    x = 269,236,004,860.69/708,688.80
  6. Step 6: Final answer
    x = 379,907.24

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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.