Home / 708,770.88-1,063,156.32-486,480.96

Finding the Fourth Proportional to 708,770.88, 1,063,156.32 and 486,480.96

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Solution

The fourth proportional to 708,770.88, 1,063,156.32 and 486,480.96 is: 729,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,770.88 : 1,063,156.32 = 486,480.96 : x
  2. Step 2: Convert to fraction form
    708,770.88/1,063,156.32 = 486,480.96/x
  3. Step 3: Cross multiply
    708,770.88x = 1,063,156.32 × 486,480.96
  4. Step 4: Simplify right side
    708,770.88x = 517,205,307,183.67
  5. Step 5: Solve for x
    x = 517,205,307,183.67/708,770.88
  6. Step 6: Final answer
    x = 729,721.44

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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.