Home / 791,011.88-1,091,593.76-428,434.84

Finding the Fourth Proportional to 791,011.88, 1,091,593.76 and 428,434.84

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Solution

The fourth proportional to 791,011.88, 1,091,593.76 and 428,434.84 is: 591,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,011.88 : 1,091,593.76 = 428,434.84 : x
  2. Step 2: Convert to fraction form
    791,011.88/1,091,593.76 = 428,434.84/x
  3. Step 3: Cross multiply
    791,011.88x = 1,091,593.76 × 428,434.84
  4. Step 4: Simplify right side
    791,011.88x = 467,676,797,910.60
  5. Step 5: Solve for x
    x = 467,676,797,910.60/791,011.88
  6. Step 6: Final answer
    x = 591,238.65

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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.