Home / 685,008.86-1,028,018.01-325,180.94

Finding the Fourth Proportional to 685,008.86, 1,028,018.01 and 325,180.94

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Solution

The fourth proportional to 685,008.86, 1,028,018.01 and 325,180.94 is: 488,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,008.86 : 1,028,018.01 = 325,180.94 : x
  2. Step 2: Convert to fraction form
    685,008.86/1,028,018.01 = 325,180.94/x
  3. Step 3: Cross multiply
    685,008.86x = 1,028,018.01 × 325,180.94
  4. Step 4: Simplify right side
    685,008.86x = 334,291,862,828.73
  5. Step 5: Solve for x
    x = 334,291,862,828.73/685,008.86
  6. Step 6: Final answer
    x = 488,011.01

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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.