Home / 538,047.94-742,539.74-296,330.45

Finding the Fourth Proportional to 538,047.94, 742,539.74 and 296,330.45

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Solution

The fourth proportional to 538,047.94, 742,539.74 and 296,330.45 is: 408,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,047.94 : 742,539.74 = 296,330.45 : x
  2. Step 2: Convert to fraction form
    538,047.94/742,539.74 = 296,330.45/x
  3. Step 3: Cross multiply
    538,047.94x = 742,539.74 × 296,330.45
  4. Step 4: Simplify right side
    538,047.94x = 220,037,130,102.73
  5. Step 5: Solve for x
    x = 220,037,130,102.73/538,047.94
  6. Step 6: Final answer
    x = 408,954.51

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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.