Finding the Fourth Proportional to 556,908.44, 768,534.40 and 302,259.62
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Solution
The fourth proportional to 556,908.44, 768,534.40 and 302,259.62 is: 417,118.68
Step by Step Solution
- Step 1: Write the proportion equation
556,908.44 : 768,534.40 = 302,259.62 : x - Step 2: Convert to fraction form
556,908.44/768,534.40 = 302,259.62/x - Step 3: Cross multiply
556,908.44x = 768,534.40 × 302,259.62 - Step 4: Simplify right side
556,908.44x = 232,296,915,700.93 - Step 5: Solve for x
x = 232,296,915,700.93/556,908.44 - Step 6: Final answer
x = 417,118.68
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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.