Home / 806,285.15-1,112,673.66-443,709.00

Finding the Fourth Proportional to 806,285.15, 1,112,673.66 and 443,709.00

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Solution

The fourth proportional to 806,285.15, 1,112,673.66 and 443,709.00 is: 612,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,285.15 : 1,112,673.66 = 443,709.00 : x
  2. Step 2: Convert to fraction form
    806,285.15/1,112,673.66 = 443,709.00/x
  3. Step 3: Cross multiply
    806,285.15x = 1,112,673.66 × 443,709.00
  4. Step 4: Simplify right side
    806,285.15x = 493,703,322,480.74
  5. Step 5: Solve for x
    x = 493,703,322,480.74/806,285.15
  6. Step 6: Final answer
    x = 612,318.51

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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.