Home / 726,528.69-1,089,202.55-253,546.20

Finding the Fourth Proportional to 726,528.69, 1,089,202.55 and 253,546.20

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Solution

The fourth proportional to 726,528.69, 1,089,202.55 and 253,546.20 is: 380,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,528.69 : 1,089,202.55 = 253,546.20 : x
  2. Step 2: Convert to fraction form
    726,528.69/1,089,202.55 = 253,546.20/x
  3. Step 3: Cross multiply
    726,528.69x = 1,089,202.55 × 253,546.20
  4. Step 4: Simplify right side
    726,528.69x = 276,163,166,315.08
  5. Step 5: Solve for x
    x = 276,163,166,315.08/726,528.69
  6. Step 6: Final answer
    x = 380,113.23

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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.