Home / 505,339.86-697,050.45-323,864.22

Finding the Fourth Proportional to 505,339.86, 697,050.45 and 323,864.22

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Solution

The fourth proportional to 505,339.86, 697,050.45 and 323,864.22 is: 446,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,339.86 : 697,050.45 = 323,864.22 : x
  2. Step 2: Convert to fraction form
    505,339.86/697,050.45 = 323,864.22/x
  3. Step 3: Cross multiply
    505,339.86x = 697,050.45 × 323,864.22
  4. Step 4: Simplify right side
    505,339.86x = 225,749,700,289.90
  5. Step 5: Solve for x
    x = 225,749,700,289.90/505,339.86
  6. Step 6: Final answer
    x = 446,728.47

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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.