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Finding the Fourth Proportional to 863,231.60, 1,294,847.40 and 483,762.80

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Solution

The fourth proportional to 863,231.60, 1,294,847.40 and 483,762.80 is: 725,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,231.60 : 1,294,847.40 = 483,762.80 : x
  2. Step 2: Convert to fraction form
    863,231.60/1,294,847.40 = 483,762.80/x
  3. Step 3: Cross multiply
    863,231.60x = 1,294,847.40 × 483,762.80
  4. Step 4: Simplify right side
    863,231.60x = 626,399,003,796.72
  5. Step 5: Solve for x
    x = 626,399,003,796.72/863,231.60
  6. Step 6: Final answer
    x = 725,644.20

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Similar ratio
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1.5x scale

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.