Home / 879,888.22-1,214,245.72-477,480.22

Finding the Fourth Proportional to 879,888.22, 1,214,245.72 and 477,480.22

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Solution

The fourth proportional to 879,888.22, 1,214,245.72 and 477,480.22 is: 658,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,888.22 : 1,214,245.72 = 477,480.22 : x
  2. Step 2: Convert to fraction form
    879,888.22/1,214,245.72 = 477,480.22/x
  3. Step 3: Cross multiply
    879,888.22x = 1,214,245.72 × 477,480.22
  4. Step 4: Simplify right side
    879,888.22x = 579,778,313,519.66
  5. Step 5: Solve for x
    x = 579,778,313,519.66/879,888.22
  6. Step 6: Final answer
    x = 658,922.69

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1.5x scale

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.