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Finding the Fourth Proportional to 473,039.70, 709,559.55 and 402,180.90

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Solution

The fourth proportional to 473,039.70, 709,559.55 and 402,180.90 is: 603,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,039.70 : 709,559.55 = 402,180.90 : x
  2. Step 2: Convert to fraction form
    473,039.70/709,559.55 = 402,180.90/x
  3. Step 3: Cross multiply
    473,039.70x = 709,559.55 × 402,180.90
  4. Step 4: Simplify right side
    473,039.70x = 285,371,298,422.60
  5. Step 5: Solve for x
    x = 285,371,298,422.60/473,039.70
  6. Step 6: Final answer
    x = 603,271.35

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