Home / 455,975.12-683,962.72-123,551.12

Finding the Fourth Proportional to 455,975.12, 683,962.72 and 123,551.12

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Solution

The fourth proportional to 455,975.12, 683,962.72 and 123,551.12 is: 185,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,975.12 : 683,962.72 = 123,551.12 : x
  2. Step 2: Convert to fraction form
    455,975.12/683,962.72 = 123,551.12/x
  3. Step 3: Cross multiply
    455,975.12x = 683,962.72 × 123,551.12
  4. Step 4: Simplify right side
    455,975.12x = 84,504,360,094.25
  5. Step 5: Solve for x
    x = 84,504,360,094.25/455,975.12
  6. Step 6: Final answer
    x = 185,326.69

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Similar ratio
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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.