Home / 320,541.08-444,369.51-303,477.01

Finding the Fourth Proportional to 320,541.08, 444,369.51 and 303,477.01

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Solution

The fourth proportional to 320,541.08, 444,369.51 and 303,477.01 is: 420,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,541.08 : 444,369.51 = 303,477.01 : x
  2. Step 2: Convert to fraction form
    320,541.08/444,369.51 = 303,477.01/x
  3. Step 3: Cross multiply
    320,541.08x = 444,369.51 × 303,477.01
  4. Step 4: Simplify right side
    320,541.08x = 134,855,929,119.04
  5. Step 5: Solve for x
    x = 134,855,929,119.04/320,541.08
  6. Step 6: Final answer
    x = 420,713.41

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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.