Home / 728,696.10-1,093,076.94-223,220.18

Finding the Fourth Proportional to 728,696.10, 1,093,076.94 and 223,220.18

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Solution

The fourth proportional to 728,696.10, 1,093,076.94 and 223,220.18 is: 334,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,696.10 : 1,093,076.94 = 223,220.18 : x
  2. Step 2: Convert to fraction form
    728,696.10/1,093,076.94 = 223,220.18/x
  3. Step 3: Cross multiply
    728,696.10x = 1,093,076.94 × 223,220.18
  4. Step 4: Simplify right side
    728,696.10x = 243,996,831,300.65
  5. Step 5: Solve for x
    x = 243,996,831,300.65/728,696.10
  6. Step 6: Final answer
    x = 334,840.31

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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.