Finding the Fourth Proportional to 985,898.35, 1,478,832.15 and 505,849.12
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Solution
The fourth proportional to 985,898.35, 1,478,832.15 and 505,849.12 is: 758,765.79
Step by Step Solution
- Step 1: Write the proportion equation
985,898.35 : 1,478,832.15 = 505,849.12 : x - Step 2: Convert to fraction form
985,898.35/1,478,832.15 = 505,849.12/x - Step 3: Cross multiply
985,898.35x = 1,478,832.15 × 505,849.12 - Step 4: Simplify right side
985,898.35x = 748,065,941,705.21 - Step 5: Solve for x
x = 748,065,941,705.21/985,898.35 - Step 6: Final answer
x = 758,765.79
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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.