Home / 379,054.08-565,132.65-336,455.78

Finding the Fourth Proportional to 379,054.08, 565,132.65 and 336,455.78

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Solution

The fourth proportional to 379,054.08, 565,132.65 and 336,455.78 is: 501,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,054.08 : 565,132.65 = 336,455.78 : x
  2. Step 2: Convert to fraction form
    379,054.08/565,132.65 = 336,455.78/x
  3. Step 3: Cross multiply
    379,054.08x = 565,132.65 × 336,455.78
  4. Step 4: Simplify right side
    379,054.08x = 190,142,142,471.85
  5. Step 5: Solve for x
    x = 190,142,142,471.85/379,054.08
  6. Step 6: Final answer
    x = 501,622.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.