Home / 908,498.80-1,361,217.30-718,229.80

Finding the Fourth Proportional to 908,498.80, 1,361,217.30 and 718,229.80

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Solution

The fourth proportional to 908,498.80, 1,361,217.30 and 718,229.80 is: 1,076,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,498.80 : 1,361,217.30 = 718,229.80 : x
  2. Step 2: Convert to fraction form
    908,498.80/1,361,217.30 = 718,229.80/x
  3. Step 3: Cross multiply
    908,498.80x = 1,361,217.30 × 718,229.80
  4. Step 4: Simplify right side
    908,498.80x = 977,666,829,135.54
  5. Step 5: Solve for x
    x = 977,666,829,135.54/908,498.80
  6. Step 6: Final answer
    x = 1,076,134.42

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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.