Finding the Fourth Proportional to 764,030.67, 1,054,356.10 and 415,167.99
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Solution
The fourth proportional to 764,030.67, 1,054,356.10 and 415,167.99 is: 572,928.44
Step by Step Solution
- Step 1: Write the proportion equation
764,030.67 : 1,054,356.10 = 415,167.99 : x - Step 2: Convert to fraction form
764,030.67/1,054,356.10 = 415,167.99/x - Step 3: Cross multiply
764,030.67x = 1,054,356.10 × 415,167.99 - Step 4: Simplify right side
764,030.67x = 437,734,902,781.24 - Step 5: Solve for x
x = 437,734,902,781.24/764,030.67 - Step 6: Final answer
x = 572,928.44
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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.