Finding the Fourth Proportional to 938,212.29, 1,406,785.10 and 369,284.99
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Solution
The fourth proportional to 938,212.29, 1,406,785.10 and 369,284.99 is: 553,717.55
Step by Step Solution
- Step 1: Write the proportion equation
938,212.29 : 1,406,785.10 = 369,284.99 : x - Step 2: Convert to fraction form
938,212.29/1,406,785.10 = 369,284.99/x - Step 3: Cross multiply
938,212.29x = 1,406,785.10 × 369,284.99 - Step 4: Simplify right side
938,212.29x = 519,504,612,705.30 - Step 5: Solve for x
x = 519,504,612,705.30/938,212.29 - Step 6: Final answer
x = 553,717.55
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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.