Home / 538,047.28-742,538.83-296,329.79

Finding the Fourth Proportional to 538,047.28, 742,538.83 and 296,329.79

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Solution

The fourth proportional to 538,047.28, 742,538.83 and 296,329.79 is: 408,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,047.28 : 742,538.83 = 296,329.79 : x
  2. Step 2: Convert to fraction form
    538,047.28/742,538.83 = 296,329.79/x
  3. Step 3: Cross multiply
    538,047.28x = 742,538.83 × 296,329.79
  4. Step 4: Simplify right side
    538,047.28x = 220,036,373,613.94
  5. Step 5: Solve for x
    x = 220,036,373,613.94/538,047.28
  6. Step 6: Final answer
    x = 408,953.60

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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.