Finding the Fourth Proportional to 647,194.83, 893,090.45 and 371,488.99
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Solution
The fourth proportional to 647,194.83, 893,090.45 and 371,488.99 is: 512,632.75
Step by Step Solution
- Step 1: Write the proportion equation
647,194.83 : 893,090.45 = 371,488.99 : x - Step 2: Convert to fraction form
647,194.83/893,090.45 = 371,488.99/x - Step 3: Cross multiply
647,194.83x = 893,090.45 × 371,488.99 - Step 4: Simplify right side
647,194.83x = 331,773,269,204.61 - Step 5: Solve for x
x = 331,773,269,204.61/647,194.83 - Step 6: Final answer
x = 512,632.75
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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.