Finding the Fourth Proportional to 647,291.80, 893,224.77 and 371,585.31
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Solution
The fourth proportional to 647,291.80, 893,224.77 and 371,585.31 is: 512,765.97
Step by Step Solution
- Step 1: Write the proportion equation
647,291.80 : 893,224.77 = 371,585.31 : x - Step 2: Convert to fraction form
647,291.80/893,224.77 = 371,585.31/x - Step 3: Cross multiply
647,291.80x = 893,224.77 × 371,585.31 - Step 4: Simplify right side
647,291.80x = 331,909,203,060.13 - Step 5: Solve for x
x = 331,909,203,060.13/647,291.80 - Step 6: Final answer
x = 512,765.97
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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.