Home / 807,786.51-1,210,535.69-448,114.55

Finding the Fourth Proportional to 807,786.51, 1,210,535.69 and 448,114.55

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Solution

The fourth proportional to 807,786.51, 1,210,535.69 and 448,114.55 is: 671,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,786.51 : 1,210,535.69 = 448,114.55 : x
  2. Step 2: Convert to fraction form
    807,786.51/1,210,535.69 = 448,114.55/x
  3. Step 3: Cross multiply
    807,786.51x = 1,210,535.69 × 448,114.55
  4. Step 4: Simplify right side
    807,786.51x = 542,458,647,690.04
  5. Step 5: Solve for x
    x = 542,458,647,690.04/807,786.51
  6. Step 6: Final answer
    x = 671,537.15

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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.