Finding the Fourth Proportional to 540,020.74, 745,197.78 and 322,474.93
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Solution
The fourth proportional to 540,020.74, 745,197.78 and 322,474.93 is: 444,996.99
Step by Step Solution
- Step 1: Write the proportion equation
540,020.74 : 745,197.78 = 322,474.93 : x - Step 2: Convert to fraction form
540,020.74/745,197.78 = 322,474.93/x - Step 3: Cross multiply
540,020.74x = 745,197.78 × 322,474.93 - Step 4: Simplify right side
540,020.74x = 240,307,601,941.66 - Step 5: Solve for x
x = 240,307,601,941.66/540,020.74 - Step 6: Final answer
x = 444,996.99
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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.