Home / 681,367.35-1,021,176.23-522,809.85

Finding the Fourth Proportional to 681,367.35, 1,021,176.23 and 522,809.85

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Solution

The fourth proportional to 681,367.35, 1,021,176.23 and 522,809.85 is: 783,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,367.35 : 1,021,176.23 = 522,809.85 : x
  2. Step 2: Convert to fraction form
    681,367.35/1,021,176.23 = 522,809.85/x
  3. Step 3: Cross multiply
    681,367.35x = 1,021,176.23 × 522,809.85
  4. Step 4: Simplify right side
    681,367.35x = 533,880,989,015.82
  5. Step 5: Solve for x
    x = 533,880,989,015.82/681,367.35
  6. Step 6: Final answer
    x = 783,543.55

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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.