Home / 1,077,556.79-1,615,866.72-308,885.22

Finding the Fourth Proportional to 1,077,556.79, 1,615,866.72 and 308,885.22

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Solution

The fourth proportional to 1,077,556.79, 1,615,866.72 and 308,885.22 is: 463,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,556.79 : 1,615,866.72 = 308,885.22 : x
  2. Step 2: Convert to fraction form
    1,077,556.79/1,615,866.72 = 308,885.22/x
  3. Step 3: Cross multiply
    1,077,556.79x = 1,615,866.72 × 308,885.22
  4. Step 4: Simplify right side
    1,077,556.79x = 499,117,342,440.62
  5. Step 5: Solve for x
    x = 499,117,342,440.62/1,077,556.79
  6. Step 6: Final answer
    x = 463,193.54

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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.