Finding the Fourth Proportional to 777,487.94, 1,163,598.60 and 478,158.38
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Solution
The fourth proportional to 777,487.94, 1,163,598.60 and 478,158.38 is: 715,618.07
Step by Step Solution
- Step 1: Write the proportion equation
777,487.94 : 1,163,598.60 = 478,158.38 : x - Step 2: Convert to fraction form
777,487.94/1,163,598.60 = 478,158.38/x - Step 3: Cross multiply
777,487.94x = 1,163,598.60 × 478,158.38 - Step 4: Simplify right side
777,487.94x = 556,384,421,546.27 - Step 5: Solve for x
x = 556,384,421,546.27/777,487.94 - Step 6: Final answer
x = 715,618.07
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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.