Home / 980,571.72-1,470,015.18-340,792.34

Finding the Fourth Proportional to 980,571.72, 1,470,015.18 and 340,792.34

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Solution

The fourth proportional to 980,571.72, 1,470,015.18 and 340,792.34 is: 510,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,571.72 : 1,470,015.18 = 340,792.34 : x
  2. Step 2: Convert to fraction form
    980,571.72/1,470,015.18 = 340,792.34/x
  3. Step 3: Cross multiply
    980,571.72x = 1,470,015.18 × 340,792.34
  4. Step 4: Simplify right side
    980,571.72x = 500,969,905,677.65
  5. Step 5: Solve for x
    x = 500,969,905,677.65/980,571.72
  6. Step 6: Final answer
    x = 510,895.73

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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.