Finding the Fourth Proportional to 749,736.67, 1,034,307.97 and 439,482.02
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Solution
The fourth proportional to 749,736.67, 1,034,307.97 and 439,482.02 is: 606,292.55
Step by Step Solution
- Step 1: Write the proportion equation
749,736.67 : 1,034,307.97 = 439,482.02 : x - Step 2: Convert to fraction form
749,736.67/1,034,307.97 = 439,482.02/x - Step 3: Cross multiply
749,736.67x = 1,034,307.97 × 439,482.02 - Step 4: Simplify right side
749,736.67x = 454,559,755,957.70 - Step 5: Solve for x
x = 454,559,755,957.70/749,736.67 - Step 6: Final answer
x = 606,292.55
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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.