Finding the Fourth Proportional to 672,476.14, 1,008,517.35 and 553,853.26
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Solution
The fourth proportional to 672,476.14, 1,008,517.35 and 553,853.26 is: 830,617.76
Step by Step Solution
- Step 1: Write the proportion equation
672,476.14 : 1,008,517.35 = 553,853.26 : x - Step 2: Convert to fraction form
672,476.14/1,008,517.35 = 553,853.26/x - Step 3: Cross multiply
672,476.14x = 1,008,517.35 × 553,853.26 - Step 4: Simplify right side
672,476.14x = 558,570,622,064.06 - Step 5: Solve for x
x = 558,570,622,064.06/672,476.14 - Step 6: Final answer
x = 830,617.76
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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.