Finding the Fourth Proportional to 700,821.18, 1,049,704.91 and 460,663.97
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Solution
The fourth proportional to 700,821.18, 1,049,704.91 and 460,663.97 is: 689,992.32
Step by Step Solution
- Step 1: Write the proportion equation
700,821.18 : 1,049,704.91 = 460,663.97 : x - Step 2: Convert to fraction form
700,821.18/1,049,704.91 = 460,663.97/x - Step 3: Cross multiply
700,821.18x = 1,049,704.91 × 460,663.97 - Step 4: Simplify right side
700,821.18x = 483,561,231,490.04 - Step 5: Solve for x
x = 483,561,231,490.04/700,821.18 - Step 6: Final answer
x = 689,992.32
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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.