Home / 711,211.32-1,066,657.14-205,659.54

Finding the Fourth Proportional to 711,211.32, 1,066,657.14 and 205,659.54

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Solution

The fourth proportional to 711,211.32, 1,066,657.14 and 205,659.54 is: 308,443.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,211.32 : 1,066,657.14 = 205,659.54 : x
  2. Step 2: Convert to fraction form
    711,211.32/1,066,657.14 = 205,659.54/x
  3. Step 3: Cross multiply
    711,211.32x = 1,066,657.14 × 205,659.54
  4. Step 4: Simplify right side
    711,211.32x = 219,368,216,750.12
  5. Step 5: Solve for x
    x = 219,368,216,750.12/711,211.32
  6. Step 6: Final answer
    x = 308,443.09

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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.