Home / 777,950.16-1,073,556.36-438,411.60

Finding the Fourth Proportional to 777,950.16, 1,073,556.36 and 438,411.60

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Solution

The fourth proportional to 777,950.16, 1,073,556.36 and 438,411.60 is: 604,999.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,950.16 : 1,073,556.36 = 438,411.60 : x
  2. Step 2: Convert to fraction form
    777,950.16/1,073,556.36 = 438,411.60/x
  3. Step 3: Cross multiply
    777,950.16x = 1,073,556.36 × 438,411.60
  4. Step 4: Simplify right side
    777,950.16x = 470,659,561,477.78
  5. Step 5: Solve for x
    x = 470,659,561,477.78/777,950.16
  6. Step 6: Final answer
    x = 604,999.63

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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.