Home / 807,830.02-1,211,741.38-208,740.25

Finding the Fourth Proportional to 807,830.02, 1,211,741.38 and 208,740.25

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Solution

The fourth proportional to 807,830.02, 1,211,741.38 and 208,740.25 is: 313,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,830.02 : 1,211,741.38 = 208,740.25 : x
  2. Step 2: Convert to fraction form
    807,830.02/1,211,741.38 = 208,740.25/x
  3. Step 3: Cross multiply
    807,830.02x = 1,211,741.38 × 208,740.25
  4. Step 4: Simplify right side
    807,830.02x = 252,939,191,494.14
  5. Step 5: Solve for x
    x = 252,939,191,494.14/807,830.02
  6. Step 6: Final answer
    x = 313,109.42

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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.