Home / 538,525.45-743,134.80-296,807.23

Finding the Fourth Proportional to 538,525.45, 743,134.80 and 296,807.23

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Solution

The fourth proportional to 538,525.45, 743,134.80 and 296,807.23 is: 409,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,525.45 : 743,134.80 = 296,807.23 : x
  2. Step 2: Convert to fraction form
    538,525.45/743,134.80 = 296,807.23/x
  3. Step 3: Cross multiply
    538,525.45x = 743,134.80 × 296,807.23
  4. Step 4: Simplify right side
    538,525.45x = 220,567,781,504.60
  5. Step 5: Solve for x
    x = 220,567,781,504.60/538,525.45
  6. Step 6: Final answer
    x = 409,577.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.