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Finding the Fourth Proportional to 656,763.90, 984,380.40 and 301,813.80

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Solution

The fourth proportional to 656,763.90, 984,380.40 and 301,813.80 is: 452,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,763.90 : 984,380.40 = 301,813.80 : x
  2. Step 2: Convert to fraction form
    656,763.90/984,380.40 = 301,813.80/x
  3. Step 3: Cross multiply
    656,763.90x = 984,380.40 × 301,813.80
  4. Step 4: Simplify right side
    656,763.90x = 297,099,589,169.52
  5. Step 5: Solve for x
    x = 297,099,589,169.52/656,763.90
  6. Step 6: Final answer
    x = 452,368.94

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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.