Home / 695,987.55-1,043,987.49-275,263.47

Finding the Fourth Proportional to 695,987.55, 1,043,987.49 and 275,263.47

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Solution

The fourth proportional to 695,987.55, 1,043,987.49 and 275,263.47 is: 412,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,987.55 : 1,043,987.49 = 275,263.47 : x
  2. Step 2: Convert to fraction form
    695,987.55/1,043,987.49 = 275,263.47/x
  3. Step 3: Cross multiply
    695,987.55x = 1,043,987.49 × 275,263.47
  4. Step 4: Simplify right side
    695,987.55x = 287,371,619,133.99
  5. Step 5: Solve for x
    x = 287,371,619,133.99/695,987.55
  6. Step 6: Final answer
    x = 412,897.64

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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.