Finding the Fourth Proportional to 750,719.10, 1,035,734.94 and 428,197.08
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Solution
The fourth proportional to 750,719.10, 1,035,734.94 and 428,197.08 is: 590,765.14
Step by Step Solution
- Step 1: Write the proportion equation
750,719.10 : 1,035,734.94 = 428,197.08 : x - Step 2: Convert to fraction form
750,719.10/1,035,734.94 = 428,197.08/x - Step 3: Cross multiply
750,719.10x = 1,035,734.94 × 428,197.08 - Step 4: Simplify right side
750,719.10x = 443,498,676,961.98 - Step 5: Solve for x
x = 443,498,676,961.98/750,719.10 - Step 6: Final answer
x = 590,765.14
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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.