Home / 711,143.44-1,066,555.08-205,591.72

Finding the Fourth Proportional to 711,143.44, 1,066,555.08 and 205,591.72

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Solution

The fourth proportional to 711,143.44, 1,066,555.08 and 205,591.72 is: 308,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,143.44 : 1,066,555.08 = 205,591.72 : x
  2. Step 2: Convert to fraction form
    711,143.44/1,066,555.08 = 205,591.72/x
  3. Step 3: Cross multiply
    711,143.44x = 1,066,555.08 × 205,591.72
  4. Step 4: Simplify right side
    711,143.44x = 219,274,893,371.94
  5. Step 5: Solve for x
    x = 219,274,893,371.94/711,143.44
  6. Step 6: Final answer
    x = 308,341.30

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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.