Home / 735,375.80-1,102,278.90-419,151.80

Finding the Fourth Proportional to 735,375.80, 1,102,278.90 and 419,151.80

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Solution

The fourth proportional to 735,375.80, 1,102,278.90 and 419,151.80 is: 628,280.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,375.80 : 1,102,278.90 = 419,151.80 : x
  2. Step 2: Convert to fraction form
    735,375.80/1,102,278.90 = 419,151.80/x
  3. Step 3: Cross multiply
    735,375.80x = 1,102,278.90 × 419,151.80
  4. Step 4: Simplify right side
    735,375.80x = 462,022,185,037.02
  5. Step 5: Solve for x
    x = 462,022,185,037.02/735,375.80
  6. Step 6: Final answer
    x = 628,280.38

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1.5x scale

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.