Finding the Fourth Proportional to 755,578.80, 1,133,368.20 and 516,430.35
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Solution
The fourth proportional to 755,578.80, 1,133,368.20 and 516,430.35 is: 774,645.53
Step by Step Solution
- Step 1: Write the proportion equation
755,578.80 : 1,133,368.20 = 516,430.35 : x - Step 2: Convert to fraction form
755,578.80/1,133,368.20 = 516,430.35/x - Step 3: Cross multiply
755,578.80x = 1,133,368.20 × 516,430.35 - Step 4: Simplify right side
755,578.80x = 585,305,736,204.87 - Step 5: Solve for x
x = 585,305,736,204.87/755,578.80 - Step 6: Final answer
x = 774,645.53
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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.