Home / 701,860.32-1,053,205.20-258,939.36

Finding the Fourth Proportional to 701,860.32, 1,053,205.20 and 258,939.36

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Solution

The fourth proportional to 701,860.32, 1,053,205.20 and 258,939.36 is: 388,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,860.32 : 1,053,205.20 = 258,939.36 : x
  2. Step 2: Convert to fraction form
    701,860.32/1,053,205.20 = 258,939.36/x
  3. Step 3: Cross multiply
    701,860.32x = 1,053,205.20 × 258,939.36
  4. Step 4: Simplify right side
    701,860.32x = 272,716,280,436.67
  5. Step 5: Solve for x
    x = 272,716,280,436.67/701,860.32
  6. Step 6: Final answer
    x = 388,562.04

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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.