Finding the Fourth Proportional to 536,932.05, 803,645.63 and 394,739.70
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Solution
The fourth proportional to 536,932.05, 803,645.63 and 394,739.70 is: 590,821.19
Step by Step Solution
- Step 1: Write the proportion equation
536,932.05 : 803,645.63 = 394,739.70 : x - Step 2: Convert to fraction form
536,932.05/803,645.63 = 394,739.70/x - Step 3: Cross multiply
536,932.05x = 803,645.63 × 394,739.70 - Step 4: Simplify right side
536,932.05x = 317,230,832,918.81 - Step 5: Solve for x
x = 317,230,832,918.81/536,932.05 - Step 6: Final answer
x = 590,821.19
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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.