Home / 695,280.80-1,042,498.80-274,071.20

Finding the Fourth Proportional to 695,280.80, 1,042,498.80 and 274,071.20

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Solution

The fourth proportional to 695,280.80, 1,042,498.80 and 274,071.20 is: 410,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,280.80 : 1,042,498.80 = 274,071.20 : x
  2. Step 2: Convert to fraction form
    695,280.80/1,042,498.80 = 274,071.20/x
  3. Step 3: Cross multiply
    695,280.80x = 1,042,498.80 × 274,071.20
  4. Step 4: Simplify right side
    695,280.80x = 285,718,897,114.56
  5. Step 5: Solve for x
    x = 285,718,897,114.56/695,280.80
  6. Step 6: Final answer
    x = 410,940.30

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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.