Finding the Fourth Proportional to 922,129.83, 1,272,544.63 and 514,257.44
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Solution
The fourth proportional to 922,129.83, 1,272,544.63 and 514,257.44 is: 709,678.31
Step by Step Solution
- Step 1: Write the proportion equation
922,129.83 : 1,272,544.63 = 514,257.44 : x - Step 2: Convert to fraction form
922,129.83/1,272,544.63 = 514,257.44/x - Step 3: Cross multiply
922,129.83x = 1,272,544.63 × 514,257.44 - Step 4: Simplify right side
922,129.83x = 654,415,536,061.18 - Step 5: Solve for x
x = 654,415,536,061.18/922,129.83 - Step 6: Final answer
x = 709,678.31
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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.