Home / 829,087.32-1,243,630.98-230,048.60

Finding the Fourth Proportional to 829,087.32, 1,243,630.98 and 230,048.60

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Solution

The fourth proportional to 829,087.32, 1,243,630.98 and 230,048.60 is: 345,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,087.32 : 1,243,630.98 = 230,048.60 : x
  2. Step 2: Convert to fraction form
    829,087.32/1,243,630.98 = 230,048.60/x
  3. Step 3: Cross multiply
    829,087.32x = 1,243,630.98 × 230,048.60
  4. Step 4: Simplify right side
    829,087.32x = 286,095,565,865.63
  5. Step 5: Solve for x
    x = 286,095,565,865.63/829,087.32
  6. Step 6: Final answer
    x = 345,072.90

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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.