Finding the Fourth Proportional to 742,369.58, 1,024,472.74 and 402,837.82
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Solution
The fourth proportional to 742,369.58, 1,024,472.74 and 402,837.82 is: 555,917.67
Step by Step Solution
- Step 1: Write the proportion equation
742,369.58 : 1,024,472.74 = 402,837.82 : x - Step 2: Convert to fraction form
742,369.58/1,024,472.74 = 402,837.82/x - Step 3: Cross multiply
742,369.58x = 1,024,472.74 × 402,837.82 - Step 4: Simplify right side
742,369.58x = 412,696,365,231.03 - Step 5: Solve for x
x = 412,696,365,231.03/742,369.58 - Step 6: Final answer
x = 555,917.67
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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.