Finding the Fourth Proportional to 776,126.66, 1,164,331.01 and 320,718.99
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Solution
The fourth proportional to 776,126.66, 1,164,331.01 and 320,718.99 is: 481,136.76
Step by Step Solution
- Step 1: Write the proportion equation
776,126.66 : 1,164,331.01 = 320,718.99 : x - Step 2: Convert to fraction form
776,126.66/1,164,331.01 = 320,718.99/x - Step 3: Cross multiply
776,126.66x = 1,164,331.01 × 320,718.99 - Step 4: Simplify right side
776,126.66x = 373,423,068,916.87 - Step 5: Solve for x
x = 373,423,068,916.87/776,126.66 - Step 6: Final answer
x = 481,136.76
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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.