Home / 909,967.20-1,365,825.60-461,194.80

Finding the Fourth Proportional to 909,967.20, 1,365,825.60 and 461,194.80

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Solution

The fourth proportional to 909,967.20, 1,365,825.60 and 461,194.80 is: 692,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,967.20 : 1,365,825.60 = 461,194.80 : x
  2. Step 2: Convert to fraction form
    909,967.20/1,365,825.60 = 461,194.80/x
  3. Step 3: Cross multiply
    909,967.20x = 1,365,825.60 × 461,194.80
  4. Step 4: Simplify right side
    909,967.20x = 629,911,664,426.88
  5. Step 5: Solve for x
    x = 629,911,664,426.88/909,967.20
  6. Step 6: Final answer
    x = 692,235.57

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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.