Home / 442,815.40-664,223.10-293,224.60

Finding the Fourth Proportional to 442,815.40, 664,223.10 and 293,224.60

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Solution

The fourth proportional to 442,815.40, 664,223.10 and 293,224.60 is: 439,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,815.40 : 664,223.10 = 293,224.60 : x
  2. Step 2: Convert to fraction form
    442,815.40/664,223.10 = 293,224.60/x
  3. Step 3: Cross multiply
    442,815.40x = 664,223.10 × 293,224.60
  4. Step 4: Simplify right side
    442,815.40x = 194,766,552,808.26
  5. Step 5: Solve for x
    x = 194,766,552,808.26/442,815.40
  6. Step 6: Final answer
    x = 439,836.90

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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.