Finding the Fourth Proportional to 556,779.10, 768,357.28 and 302,130.28
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Solution
The fourth proportional to 556,779.10, 768,357.28 and 302,130.28 is: 416,940.94
Step by Step Solution
- Step 1: Write the proportion equation
556,779.10 : 768,357.28 = 302,130.28 : x - Step 2: Convert to fraction form
556,779.10/768,357.28 = 302,130.28/x - Step 3: Cross multiply
556,779.10x = 768,357.28 × 302,130.28 - Step 4: Simplify right side
556,779.10x = 232,144,000,146.44 - Step 5: Solve for x
x = 232,144,000,146.44/556,779.10 - Step 6: Final answer
x = 416,940.94
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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.