Home / 755,455.20-1,131,973.20-400,005.60

Finding the Fourth Proportional to 755,455.20, 1,131,973.20 and 400,005.60

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Solution

The fourth proportional to 755,455.20, 1,131,973.20 and 400,005.60 is: 599,367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,455.20 : 1,131,973.20 = 400,005.60 : x
  2. Step 2: Convert to fraction form
    755,455.20/1,131,973.20 = 400,005.60/x
  3. Step 3: Cross multiply
    755,455.20x = 1,131,973.20 × 400,005.60
  4. Step 4: Simplify right side
    755,455.20x = 452,795,619,049.92
  5. Step 5: Solve for x
    x = 452,795,619,049.92/755,455.20
  6. Step 6: Final answer
    x = 599,367.93

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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.