Finding the Fourth Proportional to 536,633.70, 803,621.91 and 394,141.07
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Solution
The fourth proportional to 536,633.70, 803,621.91 and 394,141.07 is: 590,235.75
Step by Step Solution
- Step 1: Write the proportion equation
536,633.70 : 803,621.91 = 394,141.07 : x - Step 2: Convert to fraction form
536,633.70/803,621.91 = 394,141.07/x - Step 3: Cross multiply
536,633.70x = 803,621.91 × 394,141.07 - Step 4: Simplify right side
536,633.70x = 316,740,396,942.76 - Step 5: Solve for x
x = 316,740,396,942.76/536,633.70 - Step 6: Final answer
x = 590,235.75
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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.