Home / 907,971.45-1,361,563.16-308,771.70

Finding the Fourth Proportional to 907,971.45, 1,361,563.16 and 308,771.70

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Solution

The fourth proportional to 907,971.45, 1,361,563.16 and 308,771.70 is: 463,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,971.45 : 1,361,563.16 = 308,771.70 : x
  2. Step 2: Convert to fraction form
    907,971.45/1,361,563.16 = 308,771.70/x
  3. Step 3: Cross multiply
    907,971.45x = 1,361,563.16 × 308,771.70
  4. Step 4: Simplify right side
    907,971.45x = 420,412,170,026.71
  5. Step 5: Solve for x
    x = 420,412,170,026.71/907,971.45
  6. Step 6: Final answer
    x = 463,023.56

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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.