Finding the Fourth Proportional to 772,261.14, 1,158,379.26 and 239,782.68
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Solution
The fourth proportional to 772,261.14, 1,158,379.26 and 239,782.68 is: 359,670.15
Step by Step Solution
- Step 1: Write the proportion equation
772,261.14 : 1,158,379.26 = 239,782.68 : x - Step 2: Convert to fraction form
772,261.14/1,158,379.26 = 239,782.68/x - Step 3: Cross multiply
772,261.14x = 1,158,379.26 × 239,782.68 - Step 4: Simplify right side
772,261.14x = 277,759,283,419.22 - Step 5: Solve for x
x = 277,759,283,419.22/772,261.14 - Step 6: Final answer
x = 359,670.15
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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.