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Finding the Fourth Proportional to 714,803.22, 986,445.63 and 388,130.13

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Solution

The fourth proportional to 714,803.22, 986,445.63 and 388,130.13 is: 535,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,803.22 : 986,445.63 = 388,130.13 : x
  2. Step 2: Convert to fraction form
    714,803.22/986,445.63 = 388,130.13/x
  3. Step 3: Cross multiply
    714,803.22x = 986,445.63 × 388,130.13
  4. Step 4: Simplify right side
    714,803.22x = 382,869,270,609.83
  5. Step 5: Solve for x
    x = 382,869,270,609.83/714,803.22
  6. Step 6: Final answer
    x = 535,628.91

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