Finding the Fourth Proportional to 1,089,702.99, 1,634,922.36 and 482,407.56
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Solution
The fourth proportional to 1,089,702.99, 1,634,922.36 and 482,407.56 is: 723,774.20
Step by Step Solution
- Step 1: Write the proportion equation
1,089,702.99 : 1,634,922.36 = 482,407.56 : x - Step 2: Convert to fraction form
1,089,702.99/1,634,922.36 = 482,407.56/x - Step 3: Cross multiply
1,089,702.99x = 1,634,922.36 × 482,407.56 - Step 4: Simplify right side
1,089,702.99x = 788,698,906,477.04 - Step 5: Solve for x
x = 788,698,906,477.04/1,089,702.99 - Step 6: Final answer
x = 723,774.20
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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.