Finding the Fourth Proportional to 976,560.84, 1,465,788.15 and 471,478.05
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Solution
The fourth proportional to 976,560.84, 1,465,788.15 and 471,478.05 is: 707,674.23
Step by Step Solution
- Step 1: Write the proportion equation
976,560.84 : 1,465,788.15 = 471,478.05 : x - Step 2: Convert to fraction form
976,560.84/1,465,788.15 = 471,478.05/x - Step 3: Cross multiply
976,560.84x = 1,465,788.15 × 471,478.05 - Step 4: Simplify right side
976,560.84x = 691,086,938,675.11 - Step 5: Solve for x
x = 691,086,938,675.11/976,560.84 - Step 6: Final answer
x = 707,674.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.