Home / 791,172.32-1,186,831.44-258,696.08

Finding the Fourth Proportional to 791,172.32, 1,186,831.44 and 258,696.08

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Solution

The fourth proportional to 791,172.32, 1,186,831.44 and 258,696.08 is: 388,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,172.32 : 1,186,831.44 = 258,696.08 : x
  2. Step 2: Convert to fraction form
    791,172.32/1,186,831.44 = 258,696.08/x
  3. Step 3: Cross multiply
    791,172.32x = 1,186,831.44 × 258,696.08
  4. Step 4: Simplify right side
    791,172.32x = 307,028,641,148.76
  5. Step 5: Solve for x
    x = 307,028,641,148.76/791,172.32
  6. Step 6: Final answer
    x = 388,067.98

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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.