Finding the Fourth Proportional to 757,290.84, 1,045,026.18 and 434,773.92
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Solution
The fourth proportional to 757,290.84, 1,045,026.18 and 434,773.92 is: 599,967.81
Step by Step Solution
- Step 1: Write the proportion equation
757,290.84 : 1,045,026.18 = 434,773.92 : x - Step 2: Convert to fraction form
757,290.84/1,045,026.18 = 434,773.92/x - Step 3: Cross multiply
757,290.84x = 1,045,026.18 × 434,773.92 - Step 4: Simplify right side
757,290.84x = 454,350,128,781.23 - Step 5: Solve for x
x = 454,350,128,781.23/757,290.84 - Step 6: Final answer
x = 599,967.81
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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.