Home / 804,971.93-1,207,445.60-205,928.03

Finding the Fourth Proportional to 804,971.93, 1,207,445.60 and 205,928.03

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Solution

The fourth proportional to 804,971.93, 1,207,445.60 and 205,928.03 is: 308,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,971.93 : 1,207,445.60 = 205,928.03 : x
  2. Step 2: Convert to fraction form
    804,971.93/1,207,445.60 = 205,928.03/x
  3. Step 3: Cross multiply
    804,971.93x = 1,207,445.60 × 205,928.03
  4. Step 4: Simplify right side
    804,971.93x = 248,646,893,740.17
  5. Step 5: Solve for x
    x = 248,646,893,740.17/804,971.93
  6. Step 6: Final answer
    x = 308,888.90

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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.