Home / 710,339.23-1,065,929.21-261,375.38

Finding the Fourth Proportional to 710,339.23, 1,065,929.21 and 261,375.38

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Solution

The fourth proportional to 710,339.23, 1,065,929.21 and 261,375.38 is: 392,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,339.23 : 1,065,929.21 = 261,375.38 : x
  2. Step 2: Convert to fraction form
    710,339.23/1,065,929.21 = 261,375.38/x
  3. Step 3: Cross multiply
    710,339.23x = 1,065,929.21 × 261,375.38
  4. Step 4: Simplify right side
    710,339.23x = 278,607,652,316.85
  5. Step 5: Solve for x
    x = 278,607,652,316.85/710,339.23
  6. Step 6: Final answer
    x = 392,217.75

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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.