Home / 712,698.98-1,068,299.42-263,133.18

Finding the Fourth Proportional to 712,698.98, 1,068,299.42 and 263,133.18

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Solution

The fourth proportional to 712,698.98, 1,068,299.42 and 263,133.18 is: 394,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,698.98 : 1,068,299.42 = 263,133.18 : x
  2. Step 2: Convert to fraction form
    712,698.98/1,068,299.42 = 263,133.18/x
  3. Step 3: Cross multiply
    712,698.98x = 1,068,299.42 × 263,133.18
  4. Step 4: Simplify right side
    712,698.98x = 281,105,022,261.09
  5. Step 5: Solve for x
    x = 281,105,022,261.09/712,698.98
  6. Step 6: Final answer
    x = 394,423.22

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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.