Home / 449,528.97-620,362.03-245,588.48

Finding the Fourth Proportional to 449,528.97, 620,362.03 and 245,588.48

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Solution

The fourth proportional to 449,528.97, 620,362.03 and 245,588.48 is: 338,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,528.97 : 620,362.03 = 245,588.48 : x
  2. Step 2: Convert to fraction form
    449,528.97/620,362.03 = 245,588.48/x
  3. Step 3: Cross multiply
    449,528.97x = 620,362.03 × 245,588.48
  4. Step 4: Simplify right side
    449,528.97x = 152,353,768,467.88
  5. Step 5: Solve for x
    x = 152,353,768,467.88/449,528.97
  6. Step 6: Final answer
    x = 338,918.69

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1.5x scale

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.