Finding the Fourth Proportional to 769,456.48, 1,153,821.46 and 449,700.08
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Solution
The fourth proportional to 769,456.48, 1,153,821.46 and 449,700.08 is: 674,337.82
Step by Step Solution
- Step 1: Write the proportion equation
769,456.48 : 1,153,821.46 = 449,700.08 : x - Step 2: Convert to fraction form
769,456.48/1,153,821.46 = 449,700.08/x - Step 3: Cross multiply
769,456.48x = 1,153,821.46 × 449,700.08 - Step 4: Simplify right side
769,456.48x = 518,873,602,867.72 - Step 5: Solve for x
x = 518,873,602,867.72/769,456.48 - Step 6: Final answer
x = 674,337.82
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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.