Home / 790,777.80-1,091,273.94-428,204.52

Finding the Fourth Proportional to 790,777.80, 1,091,273.94 and 428,204.52

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Solution

The fourth proportional to 790,777.80, 1,091,273.94 and 428,204.52 is: 590,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,777.80 : 1,091,273.94 = 428,204.52 : x
  2. Step 2: Convert to fraction form
    790,777.80/1,091,273.94 = 428,204.52/x
  3. Step 3: Cross multiply
    790,777.80x = 1,091,273.94 × 428,204.52
  4. Step 4: Simplify right side
    790,777.80x = 467,288,433,666.21
  5. Step 5: Solve for x
    x = 467,288,433,666.21/790,777.80
  6. Step 6: Final answer
    x = 590,922.55

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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.