Home / 805,954.32-1,208,670.48-266,089.32

Finding the Fourth Proportional to 805,954.32, 1,208,670.48 and 266,089.32

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Solution

The fourth proportional to 805,954.32, 1,208,670.48 and 266,089.32 is: 399,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,954.32 : 1,208,670.48 = 266,089.32 : x
  2. Step 2: Convert to fraction form
    805,954.32/1,208,670.48 = 266,089.32/x
  3. Step 3: Cross multiply
    805,954.32x = 1,208,670.48 × 266,089.32
  4. Step 4: Simplify right side
    805,954.32x = 321,614,306,127.27
  5. Step 5: Solve for x
    x = 321,614,306,127.27/805,954.32
  6. Step 6: Final answer
    x = 399,047.81

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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.