Finding the Fourth Proportional to 683,603.01, 942,039.99 and 492,255.09
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Solution
The fourth proportional to 683,603.01, 942,039.99 and 492,255.09 is: 678,352.75
Step by Step Solution
- Step 1: Write the proportion equation
683,603.01 : 942,039.99 = 492,255.09 : x - Step 2: Convert to fraction form
683,603.01/942,039.99 = 492,255.09/x - Step 3: Cross multiply
683,603.01x = 942,039.99 × 492,255.09 - Step 4: Simplify right side
683,603.01x = 463,723,980,061.05 - Step 5: Solve for x
x = 463,723,980,061.05/683,603.01 - Step 6: Final answer
x = 678,352.75
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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.