Home / 839,968.80-1,257,328.80-603,772.80

Finding the Fourth Proportional to 839,968.80, 1,257,328.80 and 603,772.80

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Solution

The fourth proportional to 839,968.80, 1,257,328.80 and 603,772.80 is: 903,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,968.80 : 1,257,328.80 = 603,772.80 : x
  2. Step 2: Convert to fraction form
    839,968.80/1,257,328.80 = 603,772.80/x
  3. Step 3: Cross multiply
    839,968.80x = 1,257,328.80 × 603,772.80
  4. Step 4: Simplify right side
    839,968.80x = 759,140,930,096.64
  5. Step 5: Solve for x
    x = 759,140,930,096.64/839,968.80
  6. Step 6: Final answer
    x = 903,772.77

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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.