Finding the Fourth Proportional to 879,782.08, 1,326,265.88 and 821,192.08
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Solution
The fourth proportional to 879,782.08, 1,326,265.88 and 821,192.08 is: 1,237,941.83
Step by Step Solution
- Step 1: Write the proportion equation
879,782.08 : 1,326,265.88 = 821,192.08 : x - Step 2: Convert to fraction form
879,782.08/1,326,265.88 = 821,192.08/x - Step 3: Cross multiply
879,782.08x = 1,326,265.88 × 821,192.08 - Step 4: Simplify right side
879,782.08x = 1,089,119,036,630.23 - Step 5: Solve for x
x = 1,089,119,036,630.23/879,782.08 - Step 6: Final answer
x = 1,237,941.83
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.