Home / 448,629.98-618,759.27-287,500.01

Finding the Fourth Proportional to 448,629.98, 618,759.27 and 287,500.01

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Solution

The fourth proportional to 448,629.98, 618,759.27 and 287,500.01 is: 396,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,629.98 : 618,759.27 = 287,500.01 : x
  2. Step 2: Convert to fraction form
    448,629.98/618,759.27 = 287,500.01/x
  3. Step 3: Cross multiply
    448,629.98x = 618,759.27 × 287,500.01
  4. Step 4: Simplify right side
    448,629.98x = 177,893,293,218.80
  5. Step 5: Solve for x
    x = 177,893,293,218.80/448,629.98
  6. Step 6: Final answer
    x = 396,525.65

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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.