Home / 839,847.17-1,158,989.06-477,271.73

Finding the Fourth Proportional to 839,847.17, 1,158,989.06 and 477,271.73

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Solution

The fourth proportional to 839,847.17, 1,158,989.06 and 477,271.73 is: 658,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,847.17 : 1,158,989.06 = 477,271.73 : x
  2. Step 2: Convert to fraction form
    839,847.17/1,158,989.06 = 477,271.73/x
  3. Step 3: Cross multiply
    839,847.17x = 1,158,989.06 × 477,271.73
  4. Step 4: Simplify right side
    839,847.17x = 553,152,705,535.97
  5. Step 5: Solve for x
    x = 553,152,705,535.97/839,847.17
  6. Step 6: Final answer
    x = 658,634.96

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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.