Home / 736,540.80-1,104,811.20-263,241.60

Finding the Fourth Proportional to 736,540.80, 1,104,811.20 and 263,241.60

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Solution

The fourth proportional to 736,540.80, 1,104,811.20 and 263,241.60 is: 394,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,540.80 : 1,104,811.20 = 263,241.60 : x
  2. Step 2: Convert to fraction form
    736,540.80/1,104,811.20 = 263,241.60/x
  3. Step 3: Cross multiply
    736,540.80x = 1,104,811.20 × 263,241.60
  4. Step 4: Simplify right side
    736,540.80x = 290,832,267,985.92
  5. Step 5: Solve for x
    x = 290,832,267,985.92/736,540.80
  6. Step 6: Final answer
    x = 394,862.40

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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.