Finding the Fourth Proportional to 698,906.88, 964,259.49 and 569,623.05
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Solution
The fourth proportional to 698,906.88, 964,259.49 and 569,623.05 is: 785,890.72
Step by Step Solution
- Step 1: Write the proportion equation
698,906.88 : 964,259.49 = 569,623.05 : x - Step 2: Convert to fraction form
698,906.88/964,259.49 = 569,623.05/x - Step 3: Cross multiply
698,906.88x = 964,259.49 × 569,623.05 - Step 4: Simplify right side
698,906.88x = 549,264,431,685.25 - Step 5: Solve for x
x = 549,264,431,685.25/698,906.88 - Step 6: Final answer
x = 785,890.72
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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.