Finding the Fourth Proportional to 789,133.74, 1,089,070.92 and 483,208.62
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Solution
The fourth proportional to 789,133.74, 1,089,070.92 and 483,208.62 is: 666,868.53
Step by Step Solution
- Step 1: Write the proportion equation
789,133.74 : 1,089,070.92 = 483,208.62 : x - Step 2: Convert to fraction form
789,133.74/1,089,070.92 = 483,208.62/x - Step 3: Cross multiply
789,133.74x = 1,089,070.92 × 483,208.62 - Step 4: Simplify right side
789,133.74x = 526,248,456,335.33 - Step 5: Solve for x
x = 526,248,456,335.33/789,133.74 - Step 6: Final answer
x = 666,868.53
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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.