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Finding the Fourth Proportional to 455,629.40, 683,444.10 and 455,629.40

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Solution

The fourth proportional to 455,629.40, 683,444.10 and 455,629.40 is: 683,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,629.40 : 683,444.10 = 455,629.40 : x
  2. Step 2: Convert to fraction form
    455,629.40/683,444.10 = 455,629.40/x
  3. Step 3: Cross multiply
    455,629.40x = 683,444.10 × 455,629.40
  4. Step 4: Simplify right side
    455,629.40x = 311,397,225,216.54
  5. Step 5: Solve for x
    x = 311,397,225,216.54/455,629.40
  6. Step 6: Final answer
    x = 683,444.10

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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.