Home / 809,476.77-1,117,079.61-446,901.33

Finding the Fourth Proportional to 809,476.77, 1,117,079.61 and 446,901.33

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Solution

The fourth proportional to 809,476.77, 1,117,079.61 and 446,901.33 is: 616,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,476.77 : 1,117,079.61 = 446,901.33 : x
  2. Step 2: Convert to fraction form
    809,476.77/1,117,079.61 = 446,901.33/x
  3. Step 3: Cross multiply
    809,476.77x = 1,117,079.61 × 446,901.33
  4. Step 4: Simplify right side
    809,476.77x = 499,224,365,938.05
  5. Step 5: Solve for x
    x = 499,224,365,938.05/809,476.77
  6. Step 6: Final answer
    x = 616,724.76

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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.