Finding the Fourth Proportional to 564,939.60, 847,135.80 and 328,350.48
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Solution
The fourth proportional to 564,939.60, 847,135.80 and 328,350.48 is: 492,366.70
Step by Step Solution
- Step 1: Write the proportion equation
564,939.60 : 847,135.80 = 328,350.48 : x - Step 2: Convert to fraction form
564,939.60/847,135.80 = 328,350.48/x - Step 3: Cross multiply
564,939.60x = 847,135.80 × 328,350.48 - Step 4: Simplify right side
564,939.60x = 278,157,446,555.18 - Step 5: Solve for x
x = 278,157,446,555.18/564,939.60 - Step 6: Final answer
x = 492,366.70
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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.