Home / 631,929.20-871,849.37-359,804.63

Finding the Fourth Proportional to 631,929.20, 871,849.37 and 359,804.63

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Solution

The fourth proportional to 631,929.20, 871,849.37 and 359,804.63 is: 496,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,929.20 : 871,849.37 = 359,804.63 : x
  2. Step 2: Convert to fraction form
    631,929.20/871,849.37 = 359,804.63/x
  3. Step 3: Cross multiply
    631,929.20x = 871,849.37 × 359,804.63
  4. Step 4: Simplify right side
    631,929.20x = 313,695,443,067.72
  5. Step 5: Solve for x
    x = 313,695,443,067.72/631,929.20
  6. Step 6: Final answer
    x = 496,409.16

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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.