Finding the Fourth Proportional to 647,107.19, 893,010.91 and 375,335.99
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Solution
The fourth proportional to 647,107.19, 893,010.91 and 375,335.99 is: 517,965.40
Step by Step Solution
- Step 1: Write the proportion equation
647,107.19 : 893,010.91 = 375,335.99 : x - Step 2: Convert to fraction form
647,107.19/893,010.91 = 375,335.99/x - Step 3: Cross multiply
647,107.19x = 893,010.91 × 375,335.99 - Step 4: Simplify right side
647,107.19x = 335,179,135,279.84 - Step 5: Solve for x
x = 335,179,135,279.84/647,107.19 - Step 6: Final answer
x = 517,965.40
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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.