Finding the Fourth Proportional to 912,596.55, 1,367,929.49 and 343,731.52
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Solution
The fourth proportional to 912,596.55, 1,367,929.49 and 343,731.52 is: 515,233.68
Step by Step Solution
- Step 1: Write the proportion equation
912,596.55 : 1,367,929.49 = 343,731.52 : x - Step 2: Convert to fraction form
912,596.55/1,367,929.49 = 343,731.52/x - Step 3: Cross multiply
912,596.55x = 1,367,929.49 × 343,731.52 - Step 4: Simplify right side
912,596.55x = 470,200,478,047.41 - Step 5: Solve for x
x = 470,200,478,047.41/912,596.55 - Step 6: Final answer
x = 515,233.68
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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.