Home / 404,915.40-558,787.44-223,631.88

Finding the Fourth Proportional to 404,915.40, 558,787.44 and 223,631.88

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Solution

The fourth proportional to 404,915.40, 558,787.44 and 223,631.88 is: 308,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,915.40 : 558,787.44 = 223,631.88 : x
  2. Step 2: Convert to fraction form
    404,915.40/558,787.44 = 223,631.88/x
  3. Step 3: Cross multiply
    404,915.40x = 558,787.44 × 223,631.88
  4. Step 4: Simplify right side
    404,915.40x = 124,962,685,727.59
  5. Step 5: Solve for x
    x = 124,962,685,727.59/404,915.40
  6. Step 6: Final answer
    x = 308,614.31

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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.