Home / 480,738.08-720,896.73-228,090.63

Finding the Fourth Proportional to 480,738.08, 720,896.73 and 228,090.63

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Solution

The fourth proportional to 480,738.08, 720,896.73 and 228,090.63 is: 342,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,738.08 : 720,896.73 = 228,090.63 : x
  2. Step 2: Convert to fraction form
    480,738.08/720,896.73 = 228,090.63/x
  3. Step 3: Cross multiply
    480,738.08x = 720,896.73 × 228,090.63
  4. Step 4: Simplify right side
    480,738.08x = 164,429,789,310.64
  5. Step 5: Solve for x
    x = 164,429,789,310.64/480,738.08
  6. Step 6: Final answer
    x = 342,036.13

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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.