Home / 501,669.36-691,167.46-477,754.52

Finding the Fourth Proportional to 501,669.36, 691,167.46 and 477,754.52

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Solution

The fourth proportional to 501,669.36, 691,167.46 and 477,754.52 is: 658,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,669.36 : 691,167.46 = 477,754.52 : x
  2. Step 2: Convert to fraction form
    501,669.36/691,167.46 = 477,754.52/x
  3. Step 3: Cross multiply
    501,669.36x = 691,167.46 × 477,754.52
  4. Step 4: Simplify right side
    501,669.36x = 330,208,378,091.92
  5. Step 5: Solve for x
    x = 330,208,378,091.92/501,669.36
  6. Step 6: Final answer
    x = 658,219.15

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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.