Finding the Fourth Proportional to 805,269.63, 1,111,293.33 and 442,702.63
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Solution
The fourth proportional to 805,269.63, 1,111,293.33 and 442,702.63 is: 610,941.30
Step by Step Solution
- Step 1: Write the proportion equation
805,269.63 : 1,111,293.33 = 442,702.63 : x - Step 2: Convert to fraction form
805,269.63/1,111,293.33 = 442,702.63/x - Step 3: Cross multiply
805,269.63x = 1,111,293.33 × 442,702.63 - Step 4: Simplify right side
805,269.63x = 491,972,479,621.44 - Step 5: Solve for x
x = 491,972,479,621.44/805,269.63 - Step 6: Final answer
x = 610,941.30
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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.