Home / 407,740.43-562,688.75-223,986.75

Finding the Fourth Proportional to 407,740.43, 562,688.75 and 223,986.75

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Solution

The fourth proportional to 407,740.43, 562,688.75 and 223,986.75 is: 309,105.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,740.43 : 562,688.75 = 223,986.75 : x
  2. Step 2: Convert to fraction form
    407,740.43/562,688.75 = 223,986.75/x
  3. Step 3: Cross multiply
    407,740.43x = 562,688.75 × 223,986.75
  4. Step 4: Simplify right side
    407,740.43x = 126,034,820,440.69
  5. Step 5: Solve for x
    x = 126,034,820,440.69/407,740.43
  6. Step 6: Final answer
    x = 309,105.53

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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.