Home / 903,776.04-1,355,426.46-429,517.80

Finding the Fourth Proportional to 903,776.04, 1,355,426.46 and 429,517.80

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Solution

The fourth proportional to 903,776.04, 1,355,426.46 and 429,517.80 is: 644,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,776.04 : 1,355,426.46 = 429,517.80 : x
  2. Step 2: Convert to fraction form
    903,776.04/1,355,426.46 = 429,517.80/x
  3. Step 3: Cross multiply
    903,776.04x = 1,355,426.46 × 429,517.80
  4. Step 4: Simplify right side
    903,776.04x = 582,179,791,160.99
  5. Step 5: Solve for x
    x = 582,179,791,160.99/903,776.04
  6. Step 6: Final answer
    x = 644,163.78

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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.