Home / 862,124.40-1,293,186.60-329,662.80

Finding the Fourth Proportional to 862,124.40, 1,293,186.60 and 329,662.80

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Solution

The fourth proportional to 862,124.40, 1,293,186.60 and 329,662.80 is: 494,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,124.40 : 1,293,186.60 = 329,662.80 : x
  2. Step 2: Convert to fraction form
    862,124.40/1,293,186.60 = 329,662.80/x
  3. Step 3: Cross multiply
    862,124.40x = 1,293,186.60 × 329,662.80
  4. Step 4: Simplify right side
    862,124.40x = 426,315,515,478.48
  5. Step 5: Solve for x
    x = 426,315,515,478.48/862,124.40
  6. Step 6: Final answer
    x = 494,494.20

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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.