Finding the Fourth Proportional to 865,974.88, 1,299,173.58 and 610,305.94
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Solution
The fourth proportional to 865,974.88, 1,299,173.58 and 610,305.94 is: 915,607.80
Step by Step Solution
- Step 1: Write the proportion equation
865,974.88 : 1,299,173.58 = 610,305.94 : x - Step 2: Convert to fraction form
865,974.88/1,299,173.58 = 610,305.94/x - Step 3: Cross multiply
865,974.88x = 1,299,173.58 × 610,305.94 - Step 4: Simplify right side
865,974.88x = 792,893,354,589.03 - Step 5: Solve for x
x = 792,893,354,589.03/865,974.88 - Step 6: Final answer
x = 915,607.80
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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.