Home / 501,980.36-692,738.06-272,539.76

Finding the Fourth Proportional to 501,980.36, 692,738.06 and 272,539.76

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Solution

The fourth proportional to 501,980.36, 692,738.06 and 272,539.76 is: 376,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,980.36 : 692,738.06 = 272,539.76 : x
  2. Step 2: Convert to fraction form
    501,980.36/692,738.06 = 272,539.76/x
  3. Step 3: Cross multiply
    501,980.36x = 692,738.06 × 272,539.76
  4. Step 4: Simplify right side
    501,980.36x = 188,798,659,788.88
  5. Step 5: Solve for x
    x = 188,798,659,788.88/501,980.36
  6. Step 6: Final answer
    x = 376,107.67

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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.