Home / 780,841.44-1,077,144.48-475,011.36

Finding the Fourth Proportional to 780,841.44, 1,077,144.48 and 475,011.36

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Solution

The fourth proportional to 780,841.44, 1,077,144.48 and 475,011.36 is: 655,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,841.44 : 1,077,144.48 = 475,011.36 : x
  2. Step 2: Convert to fraction form
    780,841.44/1,077,144.48 = 475,011.36/x
  3. Step 3: Cross multiply
    780,841.44x = 1,077,144.48 × 475,011.36
  4. Step 4: Simplify right side
    780,841.44x = 511,655,864,361.29
  5. Step 5: Solve for x
    x = 511,655,864,361.29/780,841.44
  6. Step 6: Final answer
    x = 655,262.18

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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.