Finding the Fourth Proportional to 779,268.84, 1,167,962.70 and 379,310.28
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Solution
The fourth proportional to 779,268.84, 1,167,962.70 and 379,310.28 is: 568,507.60
Step by Step Solution
- Step 1: Write the proportion equation
779,268.84 : 1,167,962.70 = 379,310.28 : x - Step 2: Convert to fraction form
779,268.84/1,167,962.70 = 379,310.28/x - Step 3: Cross multiply
779,268.84x = 1,167,962.70 × 379,310.28 - Step 4: Simplify right side
779,268.84x = 443,020,258,766.56 - Step 5: Solve for x
x = 443,020,258,766.56/779,268.84 - Step 6: Final answer
x = 568,507.60
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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.