Home / 736,907.20-1,105,360.80-263,629.60

Finding the Fourth Proportional to 736,907.20, 1,105,360.80 and 263,629.60

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Solution

The fourth proportional to 736,907.20, 1,105,360.80 and 263,629.60 is: 395,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,907.20 : 1,105,360.80 = 263,629.60 : x
  2. Step 2: Convert to fraction form
    736,907.20/1,105,360.80 = 263,629.60/x
  3. Step 3: Cross multiply
    736,907.20x = 1,105,360.80 × 263,629.60
  4. Step 4: Simplify right side
    736,907.20x = 291,405,825,559.68
  5. Step 5: Solve for x
    x = 291,405,825,559.68/736,907.20
  6. Step 6: Final answer
    x = 395,444.40

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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.