Home / 809,280.89-1,116,807.75-446,704.91

Finding the Fourth Proportional to 809,280.89, 1,116,807.75 and 446,704.91

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Solution

The fourth proportional to 809,280.89, 1,116,807.75 and 446,704.91 is: 616,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,280.89 : 1,116,807.75 = 446,704.91 : x
  2. Step 2: Convert to fraction form
    809,280.89/1,116,807.75 = 446,704.91/x
  3. Step 3: Cross multiply
    809,280.89x = 1,116,807.75 × 446,704.91
  4. Step 4: Simplify right side
    809,280.89x = 498,883,499,867.01
  5. Step 5: Solve for x
    x = 498,883,499,867.01/809,280.89
  6. Step 6: Final answer
    x = 616,452.84

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1.5x scale

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.