Home / 809,339.84-1,214,622.40-454,652.16

Finding the Fourth Proportional to 809,339.84, 1,214,622.40 and 454,652.16

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Solution

The fourth proportional to 809,339.84, 1,214,622.40 and 454,652.16 is: 682,322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,339.84 : 1,214,622.40 = 454,652.16 : x
  2. Step 2: Convert to fraction form
    809,339.84/1,214,622.40 = 454,652.16/x
  3. Step 3: Cross multiply
    809,339.84x = 1,214,622.40 × 454,652.16
  4. Step 4: Simplify right side
    809,339.84x = 552,230,697,744.38
  5. Step 5: Solve for x
    x = 552,230,697,744.38/809,339.84
  6. Step 6: Final answer
    x = 682,322.39

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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.