Home / 839,040.12-1,257,583.73-479,463.03

Finding the Fourth Proportional to 839,040.12, 1,257,583.73 and 479,463.03

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Solution

The fourth proportional to 839,040.12, 1,257,583.73 and 479,463.03 is: 718,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,040.12 : 1,257,583.73 = 479,463.03 : x
  2. Step 2: Convert to fraction form
    839,040.12/1,257,583.73 = 479,463.03/x
  3. Step 3: Cross multiply
    839,040.12x = 1,257,583.73 × 479,463.03
  4. Step 4: Simplify right side
    839,040.12x = 602,964,903,267.19
  5. Step 5: Solve for x
    x = 602,964,903,267.19/839,040.12
  6. Step 6: Final answer
    x = 718,636.56

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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.