Home / 526,051.08-725,776.32-296,579.64

Finding the Fourth Proportional to 526,051.08, 725,776.32 and 296,579.64

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Solution

The fourth proportional to 526,051.08, 725,776.32 and 296,579.64 is: 409,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,051.08 : 725,776.32 = 296,579.64 : x
  2. Step 2: Convert to fraction form
    526,051.08/725,776.32 = 296,579.64/x
  3. Step 3: Cross multiply
    526,051.08x = 725,776.32 × 296,579.64
  4. Step 4: Simplify right side
    526,051.08x = 215,250,479,706.13
  5. Step 5: Solve for x
    x = 215,250,479,706.13/526,051.08
  6. Step 6: Final answer
    x = 409,181.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.