Home / 809,282.86-1,116,810.46-446,706.80

Finding the Fourth Proportional to 809,282.86, 1,116,810.46 and 446,706.80

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Solution

The fourth proportional to 809,282.86, 1,116,810.46 and 446,706.80 is: 616,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,282.86 : 1,116,810.46 = 446,706.80 : x
  2. Step 2: Convert to fraction form
    809,282.86/1,116,810.46 = 446,706.80/x
  3. Step 3: Cross multiply
    809,282.86x = 1,116,810.46 × 446,706.80
  4. Step 4: Simplify right side
    809,282.86x = 498,886,826,793.13
  5. Step 5: Solve for x
    x = 498,886,826,793.13/809,282.86
  6. Step 6: Final answer
    x = 616,455.45

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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.