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Finding the Fourth Proportional to 700,547.75, 966,756.99 and 398,741.75

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Solution

The fourth proportional to 700,547.75, 966,756.99 and 398,741.75 is: 550,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,547.75 : 966,756.99 = 398,741.75 : x
  2. Step 2: Convert to fraction form
    700,547.75/966,756.99 = 398,741.75/x
  3. Step 3: Cross multiply
    700,547.75x = 966,756.99 × 398,741.75
  4. Step 4: Simplify right side
    700,547.75x = 385,486,374,017.33
  5. Step 5: Solve for x
    x = 385,486,374,017.33/700,547.75
  6. Step 6: Final answer
    x = 550,264.24

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