Home / 477,111.81-658,405.44-262,247.28

Finding the Fourth Proportional to 477,111.81, 658,405.44 and 262,247.28

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Solution

The fourth proportional to 477,111.81, 658,405.44 and 262,247.28 is: 361,896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,111.81 : 658,405.44 = 262,247.28 : x
  2. Step 2: Convert to fraction form
    477,111.81/658,405.44 = 262,247.28/x
  3. Step 3: Cross multiply
    477,111.81x = 658,405.44 × 262,247.28
  4. Step 4: Simplify right side
    477,111.81x = 172,665,035,777.20
  5. Step 5: Solve for x
    x = 172,665,035,777.20/477,111.81
  6. Step 6: Final answer
    x = 361,896.38

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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.