Home / 780,908.64-1,077,733.42-475,006.11

Finding the Fourth Proportional to 780,908.64, 1,077,733.42 and 475,006.11

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Solution

The fourth proportional to 780,908.64, 1,077,733.42 and 475,006.11 is: 655,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,908.64 : 1,077,733.42 = 475,006.11 : x
  2. Step 2: Convert to fraction form
    780,908.64/1,077,733.42 = 475,006.11/x
  3. Step 3: Cross multiply
    780,908.64x = 1,077,733.42 × 475,006.11
  4. Step 4: Simplify right side
    780,908.64x = 511,929,958,263.68
  5. Step 5: Solve for x
    x = 511,929,958,263.68/780,908.64
  6. Step 6: Final answer
    x = 655,556.79

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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.