Finding the Fourth Proportional to 556,977.12, 768,607.80 and 302,322.84
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Solution
The fourth proportional to 556,977.12, 768,607.80 and 302,322.84 is: 417,194.32
Step by Step Solution
- Step 1: Write the proportion equation
556,977.12 : 768,607.80 = 302,322.84 : x - Step 2: Convert to fraction form
556,977.12/768,607.80 = 302,322.84/x - Step 3: Cross multiply
556,977.12x = 768,607.80 × 302,322.84 - Step 4: Simplify right side
556,977.12x = 232,367,692,942.15 - Step 5: Solve for x
x = 232,367,692,942.15/556,977.12 - Step 6: Final answer
x = 417,194.32
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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.