Home / 698,977.80-1,048,466.70-225,678.60

Finding the Fourth Proportional to 698,977.80, 1,048,466.70 and 225,678.60

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Solution

The fourth proportional to 698,977.80, 1,048,466.70 and 225,678.60 is: 338,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,977.80 : 1,048,466.70 = 225,678.60 : x
  2. Step 2: Convert to fraction form
    698,977.80/1,048,466.70 = 225,678.60/x
  3. Step 3: Cross multiply
    698,977.80x = 1,048,466.70 × 225,678.60
  4. Step 4: Simplify right side
    698,977.80x = 236,616,497,002.62
  5. Step 5: Solve for x
    x = 236,616,497,002.62/698,977.80
  6. Step 6: Final answer
    x = 338,517.90

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Double scale
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Similar ratio
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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.