Finding the Fourth Proportional to 556,938.78, 768,576.99 and 302,289.96
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Solution
The fourth proportional to 556,938.78, 768,576.99 and 302,289.96 is: 417,160.94
Step by Step Solution
- Step 1: Write the proportion equation
556,938.78 : 768,576.99 = 302,289.96 : x - Step 2: Convert to fraction form
556,938.78/768,576.99 = 302,289.96/x - Step 3: Cross multiply
556,938.78x = 768,576.99 × 302,289.96 - Step 4: Simplify right side
556,938.78x = 232,333,107,564.02 - Step 5: Solve for x
x = 232,333,107,564.02/556,938.78 - Step 6: Final answer
x = 417,160.94
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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.