Finding the Fourth Proportional to 556,953.21, 768,583.62 and 302,304.40
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Solution
The fourth proportional to 556,953.21, 768,583.62 and 302,304.40 is: 417,173.66
Step by Step Solution
- Step 1: Write the proportion equation
556,953.21 : 768,583.62 = 302,304.40 : x - Step 2: Convert to fraction form
556,953.21/768,583.62 = 302,304.40/x - Step 3: Cross multiply
556,953.21x = 768,583.62 × 302,304.40 - Step 4: Simplify right side
556,953.21x = 232,346,208,172.47 - Step 5: Solve for x
x = 232,346,208,172.47/556,953.21 - Step 6: Final answer
x = 417,173.66
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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.