Finding the Fourth Proportional to 743,045.55, 1,025,716.76 and 501,655.09
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Solution
The fourth proportional to 743,045.55, 1,025,716.76 and 501,655.09 is: 692,495.95
Step by Step Solution
- Step 1: Write the proportion equation
743,045.55 : 1,025,716.76 = 501,655.09 : x - Step 2: Convert to fraction form
743,045.55/1,025,716.76 = 501,655.09/x - Step 3: Cross multiply
743,045.55x = 1,025,716.76 × 501,655.09 - Step 4: Simplify right side
743,045.55x = 514,556,033,552.31 - Step 5: Solve for x
x = 514,556,033,552.31/743,045.55 - Step 6: Final answer
x = 692,495.95
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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.