Home / 695,973.20-1,043,959.80-518,826.20

Finding the Fourth Proportional to 695,973.20, 1,043,959.80 and 518,826.20

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Solution

The fourth proportional to 695,973.20, 1,043,959.80 and 518,826.20 is: 778,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,973.20 : 1,043,959.80 = 518,826.20 : x
  2. Step 2: Convert to fraction form
    695,973.20/1,043,959.80 = 518,826.20/x
  3. Step 3: Cross multiply
    695,973.20x = 1,043,959.80 × 518,826.20
  4. Step 4: Simplify right side
    695,973.20x = 541,633,695,986.76
  5. Step 5: Solve for x
    x = 541,633,695,986.76/695,973.20
  6. Step 6: Final answer
    x = 778,239.30

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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.