Home / 907,407.72-1,361,236.14-308,208.02

Finding the Fourth Proportional to 907,407.72, 1,361,236.14 and 308,208.02

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Solution

The fourth proportional to 907,407.72, 1,361,236.14 and 308,208.02 is: 462,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,407.72 : 1,361,236.14 = 308,208.02 : x
  2. Step 2: Convert to fraction form
    907,407.72/1,361,236.14 = 308,208.02/x
  3. Step 3: Cross multiply
    907,407.72x = 1,361,236.14 × 308,208.02
  4. Step 4: Simplify right side
    907,407.72x = 419,543,888,655.66
  5. Step 5: Solve for x
    x = 419,543,888,655.66/907,407.72
  6. Step 6: Final answer
    x = 462,354.33

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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.