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Finding the Fourth Proportional to 483,080.68, 665,554.62 and 373,809.25

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Solution

The fourth proportional to 483,080.68, 665,554.62 and 373,809.25 is: 515,008.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,080.68 : 665,554.62 = 373,809.25 : x
  2. Step 2: Convert to fraction form
    483,080.68/665,554.62 = 373,809.25/x
  3. Step 3: Cross multiply
    483,080.68x = 665,554.62 × 373,809.25
  4. Step 4: Simplify right side
    483,080.68x = 248,790,473,336.24
  5. Step 5: Solve for x
    x = 248,790,473,336.24/483,080.68
  6. Step 6: Final answer
    x = 515,008.12

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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.