Home / 718,935.75-1,078,423.07-220,299.75

Finding the Fourth Proportional to 718,935.75, 1,078,423.07 and 220,299.75

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Solution

The fourth proportional to 718,935.75, 1,078,423.07 and 220,299.75 is: 330,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,935.75 : 1,078,423.07 = 220,299.75 : x
  2. Step 2: Convert to fraction form
    718,935.75/1,078,423.07 = 220,299.75/x
  3. Step 3: Cross multiply
    718,935.75x = 1,078,423.07 × 220,299.75
  4. Step 4: Simplify right side
    718,935.75x = 237,576,331,613.73
  5. Step 5: Solve for x
    x = 237,576,331,613.73/718,935.75
  6. Step 6: Final answer
    x = 330,455.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.