Finding the Fourth Proportional to 937,403.87, 1,406,178.68 and 306,381.47
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Solution
The fourth proportional to 937,403.87, 1,406,178.68 and 306,381.47 is: 459,596.02
Step by Step Solution
- Step 1: Write the proportion equation
937,403.87 : 1,406,178.68 = 306,381.47 : x - Step 2: Convert to fraction form
937,403.87/1,406,178.68 = 306,381.47/x - Step 3: Cross multiply
937,403.87x = 1,406,178.68 × 306,381.47 - Step 4: Simplify right side
937,403.87x = 430,827,082,498.26 - Step 5: Solve for x
x = 430,827,082,498.26/937,403.87 - Step 6: Final answer
x = 459,596.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.