Home / 809,479.27-1,117,083.06-446,903.83

Finding the Fourth Proportional to 809,479.27, 1,117,083.06 and 446,903.83

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Solution

The fourth proportional to 809,479.27, 1,117,083.06 and 446,903.83 is: 616,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,479.27 : 1,117,083.06 = 446,903.83 : x
  2. Step 2: Convert to fraction form
    809,479.27/1,117,083.06 = 446,903.83/x
  3. Step 3: Cross multiply
    809,479.27x = 1,117,083.06 × 446,903.83
  4. Step 4: Simplify right side
    809,479.27x = 499,228,697,942.12
  5. Step 5: Solve for x
    x = 499,228,697,942.12/809,479.27
  6. Step 6: Final answer
    x = 616,728.21

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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.