Home / 673,861.92-1,010,788.80-168,420.36

Finding the Fourth Proportional to 673,861.92, 1,010,788.80 and 168,420.36

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Solution

The fourth proportional to 673,861.92, 1,010,788.80 and 168,420.36 is: 252,629.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,861.92 : 1,010,788.80 = 168,420.36 : x
  2. Step 2: Convert to fraction form
    673,861.92/1,010,788.80 = 168,420.36/x
  3. Step 3: Cross multiply
    673,861.92x = 1,010,788.80 × 168,420.36
  4. Step 4: Simplify right side
    673,861.92x = 170,237,413,579.97
  5. Step 5: Solve for x
    x = 170,237,413,579.97/673,861.92
  6. Step 6: Final answer
    x = 252,629.52

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1.5x scale

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.