Home / 907,983.18-1,361,985.66-308,956.68

Finding the Fourth Proportional to 907,983.18, 1,361,985.66 and 308,956.68

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Solution

The fourth proportional to 907,983.18, 1,361,985.66 and 308,956.68 is: 463,438.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,983.18 : 1,361,985.66 = 308,956.68 : x
  2. Step 2: Convert to fraction form
    907,983.18/1,361,985.66 = 308,956.68/x
  3. Step 3: Cross multiply
    907,983.18x = 1,361,985.66 × 308,956.68
  4. Step 4: Simplify right side
    907,983.18x = 420,794,567,721.21
  5. Step 5: Solve for x
    x = 420,794,567,721.21/907,983.18
  6. Step 6: Final answer
    x = 463,438.73

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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.