Home / 774,474.64-1,161,392.19-336,322.86

Finding the Fourth Proportional to 774,474.64, 1,161,392.19 and 336,322.86

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Solution

The fourth proportional to 774,474.64, 1,161,392.19 and 336,322.86 is: 504,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,474.64 : 1,161,392.19 = 336,322.86 : x
  2. Step 2: Convert to fraction form
    774,474.64/1,161,392.19 = 336,322.86/x
  3. Step 3: Cross multiply
    774,474.64x = 1,161,392.19 × 336,322.86
  4. Step 4: Simplify right side
    774,474.64x = 390,602,737,306.03
  5. Step 5: Solve for x
    x = 390,602,737,306.03/774,474.64
  6. Step 6: Final answer
    x = 504,345.42

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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.