Home / 791,178.77-1,091,827.22-428,604.08

Finding the Fourth Proportional to 791,178.77, 1,091,827.22 and 428,604.08

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Solution

The fourth proportional to 791,178.77, 1,091,827.22 and 428,604.08 is: 591,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,178.77 : 1,091,827.22 = 428,604.08 : x
  2. Step 2: Convert to fraction form
    791,178.77/1,091,827.22 = 428,604.08/x
  3. Step 3: Cross multiply
    791,178.77x = 1,091,827.22 × 428,604.08
  4. Step 4: Simplify right side
    791,178.77x = 467,961,593,544.90
  5. Step 5: Solve for x
    x = 467,961,593,544.90/791,178.77
  6. Step 6: Final answer
    x = 591,473.90

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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.