Home / 879,418.51-1,211,938.93-704,790.36

Finding the Fourth Proportional to 879,418.51, 1,211,938.93 and 704,790.36

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Solution

The fourth proportional to 879,418.51, 1,211,938.93 and 704,790.36 is: 971,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,418.51 : 1,211,938.93 = 704,790.36 : x
  2. Step 2: Convert to fraction form
    879,418.51/1,211,938.93 = 704,790.36/x
  3. Step 3: Cross multiply
    879,418.51x = 1,211,938.93 × 704,790.36
  4. Step 4: Simplify right side
    879,418.51x = 854,162,873,010.74
  5. Step 5: Solve for x
    x = 854,162,873,010.74/879,418.51
  6. Step 6: Final answer
    x = 971,281.44

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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.