Home / 839,628.65-1,158,687.84-477,052.98

Finding the Fourth Proportional to 839,628.65, 1,158,687.84 and 477,052.98

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Solution

The fourth proportional to 839,628.65, 1,158,687.84 and 477,052.98 is: 658,333.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,628.65 : 1,158,687.84 = 477,052.98 : x
  2. Step 2: Convert to fraction form
    839,628.65/1,158,687.84 = 477,052.98/x
  3. Step 3: Cross multiply
    839,628.65x = 1,158,687.84 × 477,052.98
  4. Step 4: Simplify right side
    839,628.65x = 552,755,486,961.76
  5. Step 5: Solve for x
    x = 552,755,486,961.76/839,628.65
  6. Step 6: Final answer
    x = 658,333.29

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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.