Home / 881,811.20-1,323,235.20-320,902.40

Finding the Fourth Proportional to 881,811.20, 1,323,235.20 and 320,902.40

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Solution

The fourth proportional to 881,811.20, 1,323,235.20 and 320,902.40 is: 481,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,811.20 : 1,323,235.20 = 320,902.40 : x
  2. Step 2: Convert to fraction form
    881,811.20/1,323,235.20 = 320,902.40/x
  3. Step 3: Cross multiply
    881,811.20x = 1,323,235.20 × 320,902.40
  4. Step 4: Simplify right side
    881,811.20x = 424,629,351,444.48
  5. Step 5: Solve for x
    x = 424,629,351,444.48/881,811.20
  6. Step 6: Final answer
    x = 481,542.25

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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.