Finding the Fourth Proportional to 561,763.52, 838,385.68 and 538,902.08
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Solution
The fourth proportional to 561,763.52, 838,385.68 and 538,902.08 is: 804,266.87
Step by Step Solution
- Step 1: Write the proportion equation
561,763.52 : 838,385.68 = 538,902.08 : x - Step 2: Convert to fraction form
561,763.52/838,385.68 = 538,902.08/x - Step 3: Cross multiply
561,763.52x = 838,385.68 × 538,902.08 - Step 4: Simplify right side
561,763.52x = 451,807,786,794.21 - Step 5: Solve for x
x = 451,807,786,794.21/561,763.52 - Step 6: Final answer
x = 804,266.87
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.