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Finding the Fourth Proportional to 455,281.60, 682,922.40 and 455,281.60

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Solution

The fourth proportional to 455,281.60, 682,922.40 and 455,281.60 is: 682,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,281.60 : 682,922.40 = 455,281.60 : x
  2. Step 2: Convert to fraction form
    455,281.60/682,922.40 = 455,281.60/x
  3. Step 3: Cross multiply
    455,281.60x = 682,922.40 × 455,281.60
  4. Step 4: Simplify right side
    455,281.60x = 310,922,002,947.84
  5. Step 5: Solve for x
    x = 310,922,002,947.84/455,281.60
  6. Step 6: Final answer
    x = 682,922.40

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1.5x scale

Why These Related Problems?

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