Home / 679,161.74-1,018,776.45-258,470.22

Finding the Fourth Proportional to 679,161.74, 1,018,776.45 and 258,470.22

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Solution

The fourth proportional to 679,161.74, 1,018,776.45 and 258,470.22 is: 387,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,161.74 : 1,018,776.45 = 258,470.22 : x
  2. Step 2: Convert to fraction form
    679,161.74/1,018,776.45 = 258,470.22/x
  3. Step 3: Cross multiply
    679,161.74x = 1,018,776.45 × 258,470.22
  4. Step 4: Simplify right side
    679,161.74x = 263,323,373,162.32
  5. Step 5: Solve for x
    x = 263,323,373,162.32/679,161.74
  6. Step 6: Final answer
    x = 387,718.21

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