Home / 809,271.24-1,116,794.40-446,695.20

Finding the Fourth Proportional to 809,271.24, 1,116,794.40 and 446,695.20

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Solution

The fourth proportional to 809,271.24, 1,116,794.40 and 446,695.20 is: 616,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,271.24 : 1,116,794.40 = 446,695.20 : x
  2. Step 2: Convert to fraction form
    809,271.24/1,116,794.40 = 446,695.20/x
  3. Step 3: Cross multiply
    809,271.24x = 1,116,794.40 × 446,695.20
  4. Step 4: Simplify right side
    809,271.24x = 498,866,697,866.88
  5. Step 5: Solve for x
    x = 498,866,697,866.88/809,271.24
  6. Step 6: Final answer
    x = 616,439.43

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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.