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Finding the Fourth Proportional to 587,465.40, 879,885.90 and 482,489.40

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Solution

The fourth proportional to 587,465.40, 879,885.90 and 482,489.40 is: 722,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,465.40 : 879,885.90 = 482,489.40 : x
  2. Step 2: Convert to fraction form
    587,465.40/879,885.90 = 482,489.40/x
  3. Step 3: Cross multiply
    587,465.40x = 879,885.90 × 482,489.40
  4. Step 4: Simplify right side
    587,465.40x = 424,535,619,959.46
  5. Step 5: Solve for x
    x = 424,535,619,959.46/587,465.40
  6. Step 6: Final answer
    x = 722,656.38

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