Home / 926,621.36-1,390,830.83-447,186.61

Finding the Fourth Proportional to 926,621.36, 1,390,830.83 and 447,186.61

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Solution

The fourth proportional to 926,621.36, 1,390,830.83 and 447,186.61 is: 671,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,621.36 : 1,390,830.83 = 447,186.61 : x
  2. Step 2: Convert to fraction form
    926,621.36/1,390,830.83 = 447,186.61/x
  3. Step 3: Cross multiply
    926,621.36x = 1,390,830.83 × 447,186.61
  4. Step 4: Simplify right side
    926,621.36x = 621,960,923,951.19
  5. Step 5: Solve for x
    x = 621,960,923,951.19/926,621.36
  6. Step 6: Final answer
    x = 671,213.67

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