Finding the Fourth Proportional to 842,890.49, 1,261,225.33 and 506,136.23
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Solution
The fourth proportional to 842,890.49, 1,261,225.33 and 506,136.23 is: 757,336.62
Step by Step Solution
- Step 1: Write the proportion equation
842,890.49 : 1,261,225.33 = 506,136.23 : x - Step 2: Convert to fraction form
842,890.49/1,261,225.33 = 506,136.23/x - Step 3: Cross multiply
842,890.49x = 1,261,225.33 × 506,136.23 - Step 4: Simplify right side
842,890.49x = 638,351,833,711.85 - Step 5: Solve for x
x = 638,351,833,711.85/842,890.49 - Step 6: Final answer
x = 757,336.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.