Home / 800,775.16-1,201,464.06-416,284.36

Finding the Fourth Proportional to 800,775.16, 1,201,464.06 and 416,284.36

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Solution

The fourth proportional to 800,775.16, 1,201,464.06 and 416,284.36 is: 624,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,775.16 : 1,201,464.06 = 416,284.36 : x
  2. Step 2: Convert to fraction form
    800,775.16/1,201,464.06 = 416,284.36/x
  3. Step 3: Cross multiply
    800,775.16x = 1,201,464.06 × 416,284.36
  4. Step 4: Simplify right side
    800,775.16x = 500,150,697,280.10
  5. Step 5: Solve for x
    x = 500,150,697,280.10/800,775.16
  6. Step 6: Final answer
    x = 624,583.18

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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.