Home / 797,544.80-1,100,980.38-491,675.84

Finding the Fourth Proportional to 797,544.80, 1,100,980.38 and 491,675.84

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Solution

The fourth proportional to 797,544.80, 1,100,980.38 and 491,675.84 is: 678,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,544.80 : 1,100,980.38 = 491,675.84 : x
  2. Step 2: Convert to fraction form
    797,544.80/1,100,980.38 = 491,675.84/x
  3. Step 3: Cross multiply
    797,544.80x = 1,100,980.38 × 491,675.84
  4. Step 4: Simplify right side
    797,544.80x = 541,325,453,160.02
  5. Step 5: Solve for x
    x = 541,325,453,160.02/797,544.80
  6. Step 6: Final answer
    x = 678,739.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.