Home / 710,339.61-1,065,929.78-261,375.75

Finding the Fourth Proportional to 710,339.61, 1,065,929.78 and 261,375.75

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Solution

The fourth proportional to 710,339.61, 1,065,929.78 and 261,375.75 is: 392,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,339.61 : 1,065,929.78 = 261,375.75 : x
  2. Step 2: Convert to fraction form
    710,339.61/1,065,929.78 = 261,375.75/x
  3. Step 3: Cross multiply
    710,339.61x = 1,065,929.78 × 261,375.75
  4. Step 4: Simplify right side
    710,339.61x = 278,608,195,694.84
  5. Step 5: Solve for x
    x = 278,608,195,694.84/710,339.61
  6. Step 6: Final answer
    x = 392,218.30

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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.