Home / 856,425.46-1,285,435.23-436,016.02

Finding the Fourth Proportional to 856,425.46, 1,285,435.23 and 436,016.02

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Solution

The fourth proportional to 856,425.46, 1,285,435.23 and 436,016.02 is: 654,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,425.46 : 1,285,435.23 = 436,016.02 : x
  2. Step 2: Convert to fraction form
    856,425.46/1,285,435.23 = 436,016.02/x
  3. Step 3: Cross multiply
    856,425.46x = 1,285,435.23 × 436,016.02
  4. Step 4: Simplify right side
    856,425.46x = 560,470,352,952.39
  5. Step 5: Solve for x
    x = 560,470,352,952.39/856,425.46
  6. Step 6: Final answer
    x = 654,429.81

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Double scale
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1.5x scale

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.