Home / 839,959.80-1,257,315.30-603,763.80

Finding the Fourth Proportional to 839,959.80, 1,257,315.30 and 603,763.80

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Solution

The fourth proportional to 839,959.80, 1,257,315.30 and 603,763.80 is: 903,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,959.80 : 1,257,315.30 = 603,763.80 : x
  2. Step 2: Convert to fraction form
    839,959.80/1,257,315.30 = 603,763.80/x
  3. Step 3: Cross multiply
    839,959.80x = 1,257,315.30 × 603,763.80
  4. Step 4: Simplify right side
    839,959.80x = 759,121,463,326.14
  5. Step 5: Solve for x
    x = 759,121,463,326.14/839,959.80
  6. Step 6: Final answer
    x = 903,759.28

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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.