Home / 857,956.46-1,183,979.46-470,774.43

Finding the Fourth Proportional to 857,956.46, 1,183,979.46 and 470,774.43

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Solution

The fourth proportional to 857,956.46, 1,183,979.46 and 470,774.43 is: 649,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,956.46 : 1,183,979.46 = 470,774.43 : x
  2. Step 2: Convert to fraction form
    857,956.46/1,183,979.46 = 470,774.43/x
  3. Step 3: Cross multiply
    857,956.46x = 1,183,979.46 × 470,774.43
  4. Step 4: Simplify right side
    857,956.46x = 557,387,255,413.21
  5. Step 5: Solve for x
    x = 557,387,255,413.21/857,956.46
  6. Step 6: Final answer
    x = 649,668.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.