Finding the Fourth Proportional to 750,702.25, 1,035,974.19 and 406,538.47
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Solution
The fourth proportional to 750,702.25, 1,035,974.19 and 406,538.47 is: 561,025.84
Step by Step Solution
- Step 1: Write the proportion equation
750,702.25 : 1,035,974.19 = 406,538.47 : x - Step 2: Convert to fraction form
750,702.25/1,035,974.19 = 406,538.47/x - Step 3: Cross multiply
750,702.25x = 1,035,974.19 × 406,538.47 - Step 4: Simplify right side
750,702.25x = 421,163,361,496.23 - Step 5: Solve for x
x = 421,163,361,496.23/750,702.25 - Step 6: Final answer
x = 561,025.84
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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.