Home / 839,865.43-1,158,964.35-477,238.96

Finding the Fourth Proportional to 839,865.43, 1,158,964.35 and 477,238.96

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Solution

The fourth proportional to 839,865.43, 1,158,964.35 and 477,238.96 is: 658,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,865.43 : 1,158,964.35 = 477,238.96 : x
  2. Step 2: Convert to fraction form
    839,865.43/1,158,964.35 = 477,238.96/x
  3. Step 3: Cross multiply
    839,865.43x = 1,158,964.35 × 477,238.96
  4. Step 4: Simplify right side
    839,865.43x = 553,102,935,276.25
  5. Step 5: Solve for x
    x = 553,102,935,276.25/839,865.43
  6. Step 6: Final answer
    x = 658,561.38

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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.