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Finding the Fourth Proportional to 504,458.24, 695,758.55 and 323,186.92

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Solution

The fourth proportional to 504,458.24, 695,758.55 and 323,186.92 is: 445,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,458.24 : 695,758.55 = 323,186.92 : x
  2. Step 2: Convert to fraction form
    504,458.24/695,758.55 = 323,186.92/x
  3. Step 3: Cross multiply
    504,458.24x = 695,758.55 × 323,186.92
  4. Step 4: Simplify right side
    504,458.24x = 224,860,059,482.84
  5. Step 5: Solve for x
    x = 224,860,059,482.84/504,458.24
  6. Step 6: Final answer
    x = 445,745.64

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1.5x scale

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.