Home / 839,763.94-1,158,873.24-457,790.73

Finding the Fourth Proportional to 839,763.94, 1,158,873.24 and 457,790.73

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Solution

The fourth proportional to 839,763.94, 1,158,873.24 and 457,790.73 is: 631,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,763.94 : 1,158,873.24 = 457,790.73 : x
  2. Step 2: Convert to fraction form
    839,763.94/1,158,873.24 = 457,790.73/x
  3. Step 3: Cross multiply
    839,763.94x = 1,158,873.24 × 457,790.73
  4. Step 4: Simplify right side
    839,763.94x = 530,521,426,517.07
  5. Step 5: Solve for x
    x = 530,521,426,517.07/839,763.94
  6. Step 6: Final answer
    x = 631,750.66

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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.