Home / 736,903.20-1,105,203.60-204,290.40

Finding the Fourth Proportional to 736,903.20, 1,105,203.60 and 204,290.40

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Solution

The fourth proportional to 736,903.20, 1,105,203.60 and 204,290.40 is: 306,393.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,903.20 : 1,105,203.60 = 204,290.40 : x
  2. Step 2: Convert to fraction form
    736,903.20/1,105,203.60 = 204,290.40/x
  3. Step 3: Cross multiply
    736,903.20x = 1,105,203.60 × 204,290.40
  4. Step 4: Simplify right side
    736,903.20x = 225,782,485,525.44
  5. Step 5: Solve for x
    x = 225,782,485,525.44/736,903.20
  6. Step 6: Final answer
    x = 306,393.68

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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.