Finding the Fourth Proportional to 556,910.16, 768,536.58 and 302,261.46
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Solution
The fourth proportional to 556,910.16, 768,536.58 and 302,261.46 is: 417,121.12
Step by Step Solution
- Step 1: Write the proportion equation
556,910.16 : 768,536.58 = 302,261.46 : x - Step 2: Convert to fraction form
556,910.16/768,536.58 = 302,261.46/x - Step 3: Cross multiply
556,910.16x = 768,536.58 × 302,261.46 - Step 4: Simplify right side
556,910.16x = 232,298,988,734.21 - Step 5: Solve for x
x = 232,298,988,734.21/556,910.16 - Step 6: Final answer
x = 417,121.12
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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.