Home / 780,544.77-1,170,950.64-268,185.33

Finding the Fourth Proportional to 780,544.77, 1,170,950.64 and 268,185.33

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Solution

The fourth proportional to 780,544.77, 1,170,950.64 and 268,185.33 is: 402,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,544.77 : 1,170,950.64 = 268,185.33 : x
  2. Step 2: Convert to fraction form
    780,544.77/1,170,950.64 = 268,185.33/x
  3. Step 3: Cross multiply
    780,544.77x = 1,170,950.64 × 268,185.33
  4. Step 4: Simplify right side
    780,544.77x = 314,031,783,802.11
  5. Step 5: Solve for x
    x = 314,031,783,802.11/780,544.77
  6. Step 6: Final answer
    x = 402,323.86

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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.