Home / 839,232.66-1,258,847.84-389,707.73

Finding the Fourth Proportional to 839,232.66, 1,258,847.84 and 389,707.73

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Solution

The fourth proportional to 839,232.66, 1,258,847.84 and 389,707.73 is: 584,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,232.66 : 1,258,847.84 = 389,707.73 : x
  2. Step 2: Convert to fraction form
    839,232.66/1,258,847.84 = 389,707.73/x
  3. Step 3: Cross multiply
    839,232.66x = 1,258,847.84 × 389,707.73
  4. Step 4: Simplify right side
    839,232.66x = 490,582,725,899.03
  5. Step 5: Solve for x
    x = 490,582,725,899.03/839,232.66
  6. Step 6: Final answer
    x = 584,561.05

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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.