Finding the Fourth Proportional to 689,044.91, 1,033,777.18 and 352,322.09
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Solution
The fourth proportional to 689,044.91, 1,033,777.18 and 352,322.09 is: 528,590.42
Step by Step Solution
- Step 1: Write the proportion equation
689,044.91 : 1,033,777.18 = 352,322.09 : x - Step 2: Convert to fraction form
689,044.91/1,033,777.18 = 352,322.09/x - Step 3: Cross multiply
689,044.91x = 1,033,777.18 × 352,322.09 - Step 4: Simplify right side
689,044.91x = 364,222,535,800.09 - Step 5: Solve for x
x = 364,222,535,800.09/689,044.91 - Step 6: Final answer
x = 528,590.42
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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.