Home / 873,159.54-1,204,999.77-485,999.67

Finding the Fourth Proportional to 873,159.54, 1,204,999.77 and 485,999.67

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Solution

The fourth proportional to 873,159.54, 1,204,999.77 and 485,999.67 is: 670,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,159.54 : 1,204,999.77 = 485,999.67 : x
  2. Step 2: Convert to fraction form
    873,159.54/1,204,999.77 = 485,999.67/x
  3. Step 3: Cross multiply
    873,159.54x = 1,204,999.77 × 485,999.67
  4. Step 4: Simplify right side
    873,159.54x = 585,629,490,570.08
  5. Step 5: Solve for x
    x = 585,629,490,570.08/873,159.54
  6. Step 6: Final answer
    x = 670,701.59

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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.