Finding the Fourth Proportional to 768,295.68, 1,060,071.84 and 462,289.92
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Solution
The fourth proportional to 768,295.68, 1,060,071.84 and 462,289.92 is: 637,854.07
Step by Step Solution
- Step 1: Write the proportion equation
768,295.68 : 1,060,071.84 = 462,289.92 : x - Step 2: Convert to fraction form
768,295.68/1,060,071.84 = 462,289.92/x - Step 3: Cross multiply
768,295.68x = 1,060,071.84 × 462,289.92 - Step 4: Simplify right side
768,295.68x = 490,060,526,107.85 - Step 5: Solve for x
x = 490,060,526,107.85/768,295.68 - Step 6: Final answer
x = 637,854.07
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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.