Home / 470,593.08-648,971.46-309,584.52

Finding the Fourth Proportional to 470,593.08, 648,971.46 and 309,584.52

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Solution

The fourth proportional to 470,593.08, 648,971.46 and 309,584.52 is: 426,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,593.08 : 648,971.46 = 309,584.52 : x
  2. Step 2: Convert to fraction form
    470,593.08/648,971.46 = 309,584.52/x
  3. Step 3: Cross multiply
    470,593.08x = 648,971.46 × 309,584.52
  4. Step 4: Simplify right side
    470,593.08x = 200,911,517,937.80
  5. Step 5: Solve for x
    x = 200,911,517,937.80/470,593.08
  6. Step 6: Final answer
    x = 426,932.58

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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.