Home / 791,062.47-1,091,666.25-428,486.46

Finding the Fourth Proportional to 791,062.47, 1,091,666.25 and 428,486.46

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Solution

The fourth proportional to 791,062.47, 1,091,666.25 and 428,486.46 is: 591,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,062.47 : 1,091,666.25 = 428,486.46 : x
  2. Step 2: Convert to fraction form
    791,062.47/1,091,666.25 = 428,486.46/x
  3. Step 3: Cross multiply
    791,062.47x = 1,091,666.25 × 428,486.46
  4. Step 4: Simplify right side
    791,062.47x = 467,764,206,963.98
  5. Step 5: Solve for x
    x = 467,764,206,963.98/791,062.47
  6. Step 6: Final answer
    x = 591,311.34

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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.