Home / 839,231.16-1,258,845.59-389,706.22

Finding the Fourth Proportional to 839,231.16, 1,258,845.59 and 389,706.22

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Solution

The fourth proportional to 839,231.16, 1,258,845.59 and 389,706.22 is: 584,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,231.16 : 1,258,845.59 = 389,706.22 : x
  2. Step 2: Convert to fraction form
    839,231.16/1,258,845.59 = 389,706.22/x
  3. Step 3: Cross multiply
    839,231.16x = 1,258,845.59 × 389,706.22
  4. Step 4: Simplify right side
    839,231.16x = 490,579,951,346.93
  5. Step 5: Solve for x
    x = 490,579,951,346.93/839,231.16
  6. Step 6: Final answer
    x = 584,558.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.