Home / 711,029.40-1,066,387.86-205,480.44

Finding the Fourth Proportional to 711,029.40, 1,066,387.86 and 205,480.44

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Solution

The fourth proportional to 711,029.40, 1,066,387.86 and 205,480.44 is: 308,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,029.40 : 1,066,387.86 = 205,480.44 : x
  2. Step 2: Convert to fraction form
    711,029.40/1,066,387.86 = 205,480.44/x
  3. Step 3: Cross multiply
    711,029.40x = 1,066,387.86 × 205,480.44
  4. Step 4: Simplify right side
    711,029.40x = 219,121,846,683.46
  5. Step 5: Solve for x
    x = 219,121,846,683.46/711,029.40
  6. Step 6: Final answer
    x = 308,175.51

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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.