Home / 320,541.35-444,369.90-303,477.28

Finding the Fourth Proportional to 320,541.35, 444,369.90 and 303,477.28

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Solution

The fourth proportional to 320,541.35, 444,369.90 and 303,477.28 is: 420,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,541.35 : 444,369.90 = 303,477.28 : x
  2. Step 2: Convert to fraction form
    320,541.35/444,369.90 = 303,477.28/x
  3. Step 3: Cross multiply
    320,541.35x = 444,369.90 × 303,477.28
  4. Step 4: Simplify right side
    320,541.35x = 134,856,169,385.51
  5. Step 5: Solve for x
    x = 134,856,169,385.51/320,541.35
  6. Step 6: Final answer
    x = 420,713.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.