Finding the Fourth Proportional to 512,683.97, 707,482.33 and 294,876.20
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Solution
The fourth proportional to 512,683.97, 707,482.33 and 294,876.20 is: 406,916.75
Step by Step Solution
- Step 1: Write the proportion equation
512,683.97 : 707,482.33 = 294,876.20 : x - Step 2: Convert to fraction form
512,683.97/707,482.33 = 294,876.20/x - Step 3: Cross multiply
512,683.97x = 707,482.33 × 294,876.20 - Step 4: Simplify right side
512,683.97x = 208,619,696,762.94 - Step 5: Solve for x
x = 208,619,696,762.94/512,683.97 - Step 6: Final answer
x = 406,916.75
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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.