Home / 726,608.58-1,089,918.95-253,293.18

Finding the Fourth Proportional to 726,608.58, 1,089,918.95 and 253,293.18

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Solution

The fourth proportional to 726,608.58, 1,089,918.95 and 253,293.18 is: 379,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,608.58 : 1,089,918.95 = 253,293.18 : x
  2. Step 2: Convert to fraction form
    726,608.58/1,089,918.95 = 253,293.18/x
  3. Step 3: Cross multiply
    726,608.58x = 1,089,918.95 × 253,293.18
  4. Step 4: Simplify right side
    726,608.58x = 276,069,035,521.30
  5. Step 5: Solve for x
    x = 276,069,035,521.30/726,608.58
  6. Step 6: Final answer
    x = 379,941.89

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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.