Finding the Fourth Proportional to 879,197.92, 1,319,018.64 and 406,217.68
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Solution
The fourth proportional to 879,197.92, 1,319,018.64 and 406,217.68 is: 609,428.98
Step by Step Solution
- Step 1: Write the proportion equation
879,197.92 : 1,319,018.64 = 406,217.68 : x - Step 2: Convert to fraction form
879,197.92/1,319,018.64 = 406,217.68/x - Step 3: Cross multiply
879,197.92x = 1,319,018.64 × 406,217.68 - Step 4: Simplify right side
879,197.92x = 535,808,691,817.56 - Step 5: Solve for x
x = 535,808,691,817.56/879,197.92 - Step 6: Final answer
x = 609,428.98
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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.