Home / 726,095.70-1,089,143.55-370,991.70

Finding the Fourth Proportional to 726,095.70, 1,089,143.55 and 370,991.70

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Solution

The fourth proportional to 726,095.70, 1,089,143.55 and 370,991.70 is: 556,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,095.70 : 1,089,143.55 = 370,991.70 : x
  2. Step 2: Convert to fraction form
    726,095.70/1,089,143.55 = 370,991.70/x
  3. Step 3: Cross multiply
    726,095.70x = 1,089,143.55 × 370,991.70
  4. Step 4: Simplify right side
    726,095.70x = 404,063,217,158.54
  5. Step 5: Solve for x
    x = 404,063,217,158.54/726,095.70
  6. Step 6: Final answer
    x = 556,487.55

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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.