Finding the Fourth Proportional to 743,042.55, 1,025,712.62 and 501,652.09
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Solution
The fourth proportional to 743,042.55, 1,025,712.62 and 501,652.09 is: 692,491.81
Step by Step Solution
- Step 1: Write the proportion equation
743,042.55 : 1,025,712.62 = 501,652.09 : x - Step 2: Convert to fraction form
743,042.55/1,025,712.62 = 501,652.09/x - Step 3: Cross multiply
743,042.55x = 1,025,712.62 × 501,652.09 - Step 4: Simplify right side
743,042.55x = 514,550,879,562.38 - Step 5: Solve for x
x = 514,550,879,562.38/743,042.55 - Step 6: Final answer
x = 692,491.81
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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.