Home / 855,585.56-1,284,639.95-477,245.50

Finding the Fourth Proportional to 855,585.56, 1,284,639.95 and 477,245.50

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Solution

The fourth proportional to 855,585.56, 1,284,639.95 and 477,245.50 is: 716,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,585.56 : 1,284,639.95 = 477,245.50 : x
  2. Step 2: Convert to fraction form
    855,585.56/1,284,639.95 = 477,245.50/x
  3. Step 3: Cross multiply
    855,585.56x = 1,284,639.95 × 477,245.50
  4. Step 4: Simplify right side
    855,585.56x = 613,088,635,257.73
  5. Step 5: Solve for x
    x = 613,088,635,257.73/855,585.56
  6. Step 6: Final answer
    x = 716,571.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.