Home / 804,999.10-1,207,539.96-205,965.40

Finding the Fourth Proportional to 804,999.10, 1,207,539.96 and 205,965.40

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Solution

The fourth proportional to 804,999.10, 1,207,539.96 and 205,965.40 is: 308,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,999.10 : 1,207,539.96 = 205,965.40 : x
  2. Step 2: Convert to fraction form
    804,999.10/1,207,539.96 = 205,965.40/x
  3. Step 3: Cross multiply
    804,999.10x = 1,207,539.96 × 205,965.40
  4. Step 4: Simplify right side
    804,999.10x = 248,711,450,877.38
  5. Step 5: Solve for x
    x = 248,711,450,877.38/804,999.10
  6. Step 6: Final answer
    x = 308,958.67

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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.