Finding the Fourth Proportional to 556,909.90, 768,536.03 and 302,261.09
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Solution
The fourth proportional to 556,909.90, 768,536.03 and 302,261.09 is: 417,120.50
Step by Step Solution
- Step 1: Write the proportion equation
556,909.90 : 768,536.03 = 302,261.09 : x - Step 2: Convert to fraction form
556,909.90/768,536.03 = 302,261.09/x - Step 3: Cross multiply
556,909.90x = 768,536.03 × 302,261.09 - Step 4: Simplify right side
556,909.90x = 232,298,535,045.05 - Step 5: Solve for x
x = 232,298,535,045.05/556,909.90 - Step 6: Final answer
x = 417,120.50
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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.