Home / 842,423.50-1,263,635.25-251,447.50

Finding the Fourth Proportional to 842,423.50, 1,263,635.25 and 251,447.50

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Solution

The fourth proportional to 842,423.50, 1,263,635.25 and 251,447.50 is: 377,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,423.50 : 1,263,635.25 = 251,447.50 : x
  2. Step 2: Convert to fraction form
    842,423.50/1,263,635.25 = 251,447.50/x
  3. Step 3: Cross multiply
    842,423.50x = 1,263,635.25 × 251,447.50
  4. Step 4: Simplify right side
    842,423.50x = 317,737,924,524.38
  5. Step 5: Solve for x
    x = 317,737,924,524.38/842,423.50
  6. Step 6: Final answer
    x = 377,171.25

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Double scale
Find fourth proportional to 842,424.50, 1,263,636.75 and 251,448.50
Similar ratio
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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.