Home / 736,920.40-1,105,380.60-263,621.20

Finding the Fourth Proportional to 736,920.40, 1,105,380.60 and 263,621.20

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Solution

The fourth proportional to 736,920.40, 1,105,380.60 and 263,621.20 is: 395,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,920.40 : 1,105,380.60 = 263,621.20 : x
  2. Step 2: Convert to fraction form
    736,920.40/1,105,380.60 = 263,621.20/x
  3. Step 3: Cross multiply
    736,920.40x = 1,105,380.60 × 263,621.20
  4. Step 4: Simplify right side
    736,920.40x = 291,401,760,228.72
  5. Step 5: Solve for x
    x = 291,401,760,228.72/736,920.40
  6. Step 6: Final answer
    x = 395,431.80

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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.