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Finding the Fourth Proportional to 472,823.60, 709,235.40 and 323,524.40

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Solution

The fourth proportional to 472,823.60, 709,235.40 and 323,524.40 is: 485,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,823.60 : 709,235.40 = 323,524.40 : x
  2. Step 2: Convert to fraction form
    472,823.60/709,235.40 = 323,524.40/x
  3. Step 3: Cross multiply
    472,823.60x = 709,235.40 × 323,524.40
  4. Step 4: Simplify right side
    472,823.60x = 229,454,957,243.76
  5. Step 5: Solve for x
    x = 229,454,957,243.76/472,823.60
  6. Step 6: Final answer
    x = 485,286.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.