Home / 736,820.80-1,105,231.20-263,521.60

Finding the Fourth Proportional to 736,820.80, 1,105,231.20 and 263,521.60

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Solution

The fourth proportional to 736,820.80, 1,105,231.20 and 263,521.60 is: 395,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,820.80 : 1,105,231.20 = 263,521.60 : x
  2. Step 2: Convert to fraction form
    736,820.80/1,105,231.20 = 263,521.60/x
  3. Step 3: Cross multiply
    736,820.80x = 1,105,231.20 × 263,521.60
  4. Step 4: Simplify right side
    736,820.80x = 291,252,294,193.92
  5. Step 5: Solve for x
    x = 291,252,294,193.92/736,820.80
  6. Step 6: Final answer
    x = 395,282.40

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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.