Finding the Fourth Proportional to 805,710.21, 1,209,097.71 and 379,367.97
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Solution
The fourth proportional to 805,710.21, 1,209,097.71 and 379,367.97 is: 569,302.63
Step by Step Solution
- Step 1: Write the proportion equation
805,710.21 : 1,209,097.71 = 379,367.97 : x - Step 2: Convert to fraction form
805,710.21/1,209,097.71 = 379,367.97/x - Step 3: Cross multiply
805,710.21x = 1,209,097.71 × 379,367.97 - Step 4: Simplify right side
805,710.21x = 458,692,943,774.35 - Step 5: Solve for x
x = 458,692,943,774.35/805,710.21 - Step 6: Final answer
x = 569,302.63
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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.