Finding the Fourth Proportional to 626,048.66, 863,947.18 and 354,110.70
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Solution
The fourth proportional to 626,048.66, 863,947.18 and 354,110.70 is: 488,672.79
Step by Step Solution
- Step 1: Write the proportion equation
626,048.66 : 863,947.18 = 354,110.70 : x - Step 2: Convert to fraction form
626,048.66/863,947.18 = 354,110.70/x - Step 3: Cross multiply
626,048.66x = 863,947.18 × 354,110.70 - Step 4: Simplify right side
626,048.66x = 305,932,944,355.27 - Step 5: Solve for x
x = 305,932,944,355.27/626,048.66 - Step 6: Final answer
x = 488,672.79
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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.