Home / 770,028.08-1,155,238.96-296,586.32

Finding the Fourth Proportional to 770,028.08, 1,155,238.96 and 296,586.32

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Solution

The fourth proportional to 770,028.08, 1,155,238.96 and 296,586.32 is: 444,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,028.08 : 1,155,238.96 = 296,586.32 : x
  2. Step 2: Convert to fraction form
    770,028.08/1,155,238.96 = 296,586.32/x
  3. Step 3: Cross multiply
    770,028.08x = 1,155,238.96 × 296,586.32
  4. Step 4: Simplify right side
    770,028.08x = 342,628,071,867.03
  5. Step 5: Solve for x
    x = 342,628,071,867.03/770,028.08
  6. Step 6: Final answer
    x = 444,955.30

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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.