Finding the Fourth Proportional to 698,586.93, 963,486.09 and 469,075.05
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Solution
The fourth proportional to 698,586.93, 963,486.09 and 469,075.05 is: 646,944.95
Step by Step Solution
- Step 1: Write the proportion equation
698,586.93 : 963,486.09 = 469,075.05 : x - Step 2: Convert to fraction form
698,586.93/963,486.09 = 469,075.05/x - Step 3: Cross multiply
698,586.93x = 963,486.09 × 469,075.05 - Step 4: Simplify right side
698,586.93x = 451,947,285,841.05 - Step 5: Solve for x
x = 451,947,285,841.05/698,586.93 - Step 6: Final answer
x = 646,944.95
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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.