Home / 770,571.32-1,155,569.63-264,989.17

Finding the Fourth Proportional to 770,571.32, 1,155,569.63 and 264,989.17

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Solution

The fourth proportional to 770,571.32, 1,155,569.63 and 264,989.17 is: 397,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,571.32 : 1,155,569.63 = 264,989.17 : x
  2. Step 2: Convert to fraction form
    770,571.32/1,155,569.63 = 264,989.17/x
  3. Step 3: Cross multiply
    770,571.32x = 1,155,569.63 × 264,989.17
  4. Step 4: Simplify right side
    770,571.32x = 306,213,431,353.06
  5. Step 5: Solve for x
    x = 306,213,431,353.06/770,571.32
  6. Step 6: Final answer
    x = 397,384.93

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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.