Home / 423,935.56-635,922.78-299,830.60

Finding the Fourth Proportional to 423,935.56, 635,922.78 and 299,830.60

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Solution

The fourth proportional to 423,935.56, 635,922.78 and 299,830.60 is: 449,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,935.56 : 635,922.78 = 299,830.60 : x
  2. Step 2: Convert to fraction form
    423,935.56/635,922.78 = 299,830.60/x
  3. Step 3: Cross multiply
    423,935.56x = 635,922.78 × 299,830.60
  4. Step 4: Simplify right side
    423,935.56x = 190,669,108,681.07
  5. Step 5: Solve for x
    x = 190,669,108,681.07/423,935.56
  6. Step 6: Final answer
    x = 449,759.65

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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.