Home / 538,485.76-743,115.39-296,777.02

Finding the Fourth Proportional to 538,485.76, 743,115.39 and 296,777.02

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Solution

The fourth proportional to 538,485.76, 743,115.39 and 296,777.02 is: 409,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,485.76 : 743,115.39 = 296,777.02 : x
  2. Step 2: Convert to fraction form
    538,485.76/743,115.39 = 296,777.02/x
  3. Step 3: Cross multiply
    538,485.76x = 743,115.39 × 296,777.02
  4. Step 4: Simplify right side
    538,485.76x = 220,539,570,960.34
  5. Step 5: Solve for x
    x = 220,539,570,960.34/538,485.76
  6. Step 6: Final answer
    x = 409,555.07

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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.