Home / 809,539.52-1,117,135.60-446,955.98

Finding the Fourth Proportional to 809,539.52, 1,117,135.60 and 446,955.98

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Solution

The fourth proportional to 809,539.52, 1,117,135.60 and 446,955.98 is: 616,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,539.52 : 1,117,135.60 = 446,955.98 : x
  2. Step 2: Convert to fraction form
    809,539.52/1,117,135.60 = 446,955.98/x
  3. Step 3: Cross multiply
    809,539.52x = 1,117,135.60 × 446,955.98
  4. Step 4: Simplify right side
    809,539.52x = 499,310,430,187.82
  5. Step 5: Solve for x
    x = 499,310,430,187.82/809,539.52
  6. Step 6: Final answer
    x = 616,783.27

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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.