Finding the Fourth Proportional to 732,517.49, 1,010,887.49 and 442,129.46
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Solution
The fourth proportional to 732,517.49, 1,010,887.49 and 442,129.46 is: 610,146.71
Step by Step Solution
- Step 1: Write the proportion equation
732,517.49 : 1,010,887.49 = 442,129.46 : x - Step 2: Convert to fraction form
732,517.49/1,010,887.49 = 442,129.46/x - Step 3: Cross multiply
732,517.49x = 1,010,887.49 × 442,129.46 - Step 4: Simplify right side
732,517.49x = 446,943,136,125.34 - Step 5: Solve for x
x = 446,943,136,125.34/732,517.49 - Step 6: Final answer
x = 610,146.71
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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.