Home / 778,065.68-1,073,739.06-438,533.96

Finding the Fourth Proportional to 778,065.68, 1,073,739.06 and 438,533.96

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Solution

The fourth proportional to 778,065.68, 1,073,739.06 and 438,533.96 is: 605,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,065.68 : 1,073,739.06 = 438,533.96 : x
  2. Step 2: Convert to fraction form
    778,065.68/1,073,739.06 = 438,533.96/x
  3. Step 3: Cross multiply
    778,065.68x = 1,073,739.06 × 438,533.96
  4. Step 4: Simplify right side
    778,065.68x = 470,871,041,988.48
  5. Step 5: Solve for x
    x = 470,871,041,988.48/778,065.68
  6. Step 6: Final answer
    x = 605,181.61

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