Home / 839,306.22-1,158,206.39-476,728.97

Finding the Fourth Proportional to 839,306.22, 1,158,206.39 and 476,728.97

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Solution

The fourth proportional to 839,306.22, 1,158,206.39 and 476,728.97 is: 657,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,306.22 : 1,158,206.39 = 476,728.97 : x
  2. Step 2: Convert to fraction form
    839,306.22/1,158,206.39 = 476,728.97/x
  3. Step 3: Cross multiply
    839,306.22x = 1,158,206.39 × 476,728.97
  4. Step 4: Simplify right side
    839,306.22x = 552,150,531,177.44
  5. Step 5: Solve for x
    x = 552,150,531,177.44/839,306.22
  6. Step 6: Final answer
    x = 657,865.41

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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.