Finding the Fourth Proportional to 742,539.24, 1,024,705.17 and 403,007.49
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Solution
The fourth proportional to 742,539.24, 1,024,705.17 and 403,007.49 is: 556,150.89
Step by Step Solution
- Step 1: Write the proportion equation
742,539.24 : 1,024,705.17 = 403,007.49 : x - Step 2: Convert to fraction form
742,539.24/1,024,705.17 = 403,007.49/x - Step 3: Cross multiply
742,539.24x = 1,024,705.17 × 403,007.49 - Step 4: Simplify right side
742,539.24x = 412,963,858,551.72 - Step 5: Solve for x
x = 412,963,858,551.72/742,539.24 - Step 6: Final answer
x = 556,150.89
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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.