Finding the Fourth Proportional to 528,769.30, 729,702.53 and 302,414.80
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Solution
The fourth proportional to 528,769.30, 729,702.53 and 302,414.80 is: 417,332.94
Step by Step Solution
- Step 1: Write the proportion equation
528,769.30 : 729,702.53 = 302,414.80 : x - Step 2: Convert to fraction form
528,769.30/729,702.53 = 302,414.80/x - Step 3: Cross multiply
528,769.30x = 729,702.53 × 302,414.80 - Step 4: Simplify right side
528,769.30x = 220,672,843,601.23 - Step 5: Solve for x
x = 220,672,843,601.23/528,769.30 - Step 6: Final answer
x = 417,332.94
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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.