Finding the Fourth Proportional to 752,827.53, 1,129,241.98 and 619,427.36
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Solution
The fourth proportional to 752,827.53, 1,129,241.98 and 619,427.36 is: 929,141.61
Step by Step Solution
- Step 1: Write the proportion equation
752,827.53 : 1,129,241.98 = 619,427.36 : x - Step 2: Convert to fraction form
752,827.53/1,129,241.98 = 619,427.36/x - Step 3: Cross multiply
752,827.53x = 1,129,241.98 × 619,427.36 - Step 4: Simplify right side
752,827.53x = 699,483,375,409.69 - Step 5: Solve for x
x = 699,483,375,409.69/752,827.53 - Step 6: Final answer
x = 929,141.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.