Finding the Fourth Proportional to 556,938.27, 768,554.19 and 302,283.99
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Solution
The fourth proportional to 556,938.27, 768,554.19 and 302,283.99 is: 417,140.71
Step by Step Solution
- Step 1: Write the proportion equation
556,938.27 : 768,554.19 = 302,283.99 : x - Step 2: Convert to fraction form
556,938.27/768,554.19 = 302,283.99/x - Step 3: Cross multiply
556,938.27x = 768,554.19 × 302,283.99 - Step 4: Simplify right side
556,938.27x = 232,321,627,084.42 - Step 5: Solve for x
x = 232,321,627,084.42/556,938.27 - Step 6: Final answer
x = 417,140.71
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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.