Finding the Fourth Proportional to 922,125.72, 1,272,539.04 and 514,253.31
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Solution
The fourth proportional to 922,125.72, 1,272,539.04 and 514,253.31 is: 709,672.66
Step by Step Solution
- Step 1: Write the proportion equation
922,125.72 : 1,272,539.04 = 514,253.31 : x - Step 2: Convert to fraction form
922,125.72/1,272,539.04 = 514,253.31/x - Step 3: Cross multiply
922,125.72x = 1,272,539.04 × 514,253.31 - Step 4: Simplify right side
922,125.72x = 654,407,413,424.22 - Step 5: Solve for x
x = 654,407,413,424.22/922,125.72 - Step 6: Final answer
x = 709,672.66
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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.