Finding the Fourth Proportional to 556,211.28, 767,576.88 and 301,563.12
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Solution
The fourth proportional to 556,211.28, 767,576.88 and 301,563.12 is: 416,159.99
Step by Step Solution
- Step 1: Write the proportion equation
556,211.28 : 767,576.88 = 301,563.12 : x - Step 2: Convert to fraction form
556,211.28/767,576.88 = 301,563.12/x - Step 3: Cross multiply
556,211.28x = 767,576.88 × 301,563.12 - Step 4: Simplify right side
556,211.28x = 231,472,878,772.67 - Step 5: Solve for x
x = 231,472,878,772.67/556,211.28 - Step 6: Final answer
x = 416,159.99
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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.