Finding the Fourth Proportional to 877,199.63, 1,210,539.13 and 474,791.63
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Solution
The fourth proportional to 877,199.63, 1,210,539.13 and 474,791.63 is: 655,214.42
Step by Step Solution
- Step 1: Write the proportion equation
877,199.63 : 1,210,539.13 = 474,791.63 : x - Step 2: Convert to fraction form
877,199.63/1,210,539.13 = 474,791.63/x - Step 3: Cross multiply
877,199.63x = 1,210,539.13 × 474,791.63 - Step 4: Simplify right side
877,199.63x = 574,753,839,471.81 - Step 5: Solve for x
x = 574,753,839,471.81/877,199.63 - Step 6: Final answer
x = 655,214.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.