Home / 839,960.80-1,257,316.80-603,764.80

Finding the Fourth Proportional to 839,960.80, 1,257,316.80 and 603,764.80

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Solution

The fourth proportional to 839,960.80, 1,257,316.80 and 603,764.80 is: 903,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,960.80 : 1,257,316.80 = 603,764.80 : x
  2. Step 2: Convert to fraction form
    839,960.80/1,257,316.80 = 603,764.80/x
  3. Step 3: Cross multiply
    839,960.80x = 1,257,316.80 × 603,764.80
  4. Step 4: Simplify right side
    839,960.80x = 759,123,626,288.64
  5. Step 5: Solve for x
    x = 759,123,626,288.64/839,960.80
  6. Step 6: Final answer
    x = 903,760.78

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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.