Home / 538,733.60-743,438.64-297,010.52

Finding the Fourth Proportional to 538,733.60, 743,438.64 and 297,010.52

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Solution

The fourth proportional to 538,733.60, 743,438.64 and 297,010.52 is: 409,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,733.60 : 743,438.64 = 297,010.52 : x
  2. Step 2: Convert to fraction form
    538,733.60/743,438.64 = 297,010.52/x
  3. Step 3: Cross multiply
    538,733.60x = 743,438.64 × 297,010.52
  4. Step 4: Simplify right side
    538,733.60x = 220,809,097,054.49
  5. Step 5: Solve for x
    x = 220,809,097,054.49/538,733.60
  6. Step 6: Final answer
    x = 409,866.95

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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.