Finding the Fourth Proportional to 559,511.49, 838,669.62 and 319,107.81
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Solution
The fourth proportional to 559,511.49, 838,669.62 and 319,107.81 is: 478,320.88
Step by Step Solution
- Step 1: Write the proportion equation
559,511.49 : 838,669.62 = 319,107.81 : x - Step 2: Convert to fraction form
559,511.49/838,669.62 = 319,107.81/x - Step 3: Cross multiply
559,511.49x = 838,669.62 × 319,107.81 - Step 4: Simplify right side
559,511.49x = 267,626,025,751.73 - Step 5: Solve for x
x = 267,626,025,751.73/559,511.49 - Step 6: Final answer
x = 478,320.88
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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.