Home / 830,391.04-1,245,979.68-494,096.32

Finding the Fourth Proportional to 830,391.04, 1,245,979.68 and 494,096.32

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Solution

The fourth proportional to 830,391.04, 1,245,979.68 and 494,096.32 is: 741,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,391.04 : 1,245,979.68 = 494,096.32 : x
  2. Step 2: Convert to fraction form
    830,391.04/1,245,979.68 = 494,096.32/x
  3. Step 3: Cross multiply
    830,391.04x = 1,245,979.68 × 494,096.32
  4. Step 4: Simplify right side
    830,391.04x = 615,633,974,682.78
  5. Step 5: Solve for x
    x = 615,633,974,682.78/830,391.04
  6. Step 6: Final answer
    x = 741,378.39

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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.