Home / 673,004.70-1,009,160.78-199,628.55

Finding the Fourth Proportional to 673,004.70, 1,009,160.78 and 199,628.55

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Solution

The fourth proportional to 673,004.70, 1,009,160.78 and 199,628.55 is: 299,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,004.70 : 1,009,160.78 = 199,628.55 : x
  2. Step 2: Convert to fraction form
    673,004.70/1,009,160.78 = 199,628.55/x
  3. Step 3: Cross multiply
    673,004.70x = 1,009,160.78 × 199,628.55
  4. Step 4: Simplify right side
    673,004.70x = 201,457,302,230.13
  5. Step 5: Solve for x
    x = 201,457,302,230.13/673,004.70
  6. Step 6: Final answer
    x = 299,340.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.