Finding the Fourth Proportional to 991,252.80, 1,367,938.50 and 561,523.74
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Solution
The fourth proportional to 991,252.80, 1,367,938.50 and 561,523.74 is: 774,908.22
Step by Step Solution
- Step 1: Write the proportion equation
991,252.80 : 1,367,938.50 = 561,523.74 : x - Step 2: Convert to fraction form
991,252.80/1,367,938.50 = 561,523.74/x - Step 3: Cross multiply
991,252.80x = 1,367,938.50 × 561,523.74 - Step 4: Simplify right side
991,252.80x = 768,129,942,609.99 - Step 5: Solve for x
x = 768,129,942,609.99/991,252.80 - Step 6: Final answer
x = 774,908.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.