Home / 679,675.86-1,019,447.98-206,365.32

Finding the Fourth Proportional to 679,675.86, 1,019,447.98 and 206,365.32

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Solution

The fourth proportional to 679,675.86, 1,019,447.98 and 206,365.32 is: 309,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,675.86 : 1,019,447.98 = 206,365.32 : x
  2. Step 2: Convert to fraction form
    679,675.86/1,019,447.98 = 206,365.32/x
  3. Step 3: Cross multiply
    679,675.86x = 1,019,447.98 × 206,365.32
  4. Step 4: Simplify right side
    679,675.86x = 210,378,708,100.14
  5. Step 5: Solve for x
    x = 210,378,708,100.14/679,675.86
  6. Step 6: Final answer
    x = 309,528.00

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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.