Home / 454,918.76-682,378.14-442,477.16

Finding the Fourth Proportional to 454,918.76, 682,378.14 and 442,477.16

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Solution

The fourth proportional to 454,918.76, 682,378.14 and 442,477.16 is: 663,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,918.76 : 682,378.14 = 442,477.16 : x
  2. Step 2: Convert to fraction form
    454,918.76/682,378.14 = 442,477.16/x
  3. Step 3: Cross multiply
    454,918.76x = 682,378.14 × 442,477.16
  4. Step 4: Simplify right side
    454,918.76x = 301,936,741,433.28
  5. Step 5: Solve for x
    x = 301,936,741,433.28/454,918.76
  6. Step 6: Final answer
    x = 663,715.74

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Similar ratio
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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.