Finding the Fourth Proportional to 782,660.94, 1,173,511.62 and 333,125.82
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Solution
The fourth proportional to 782,660.94, 1,173,511.62 and 333,125.82 is: 499,484.52
Step by Step Solution
- Step 1: Write the proportion equation
782,660.94 : 1,173,511.62 = 333,125.82 : x - Step 2: Convert to fraction form
782,660.94/1,173,511.62 = 333,125.82/x - Step 3: Cross multiply
782,660.94x = 1,173,511.62 × 333,125.82 - Step 4: Simplify right side
782,660.94x = 390,927,020,692.03 - Step 5: Solve for x
x = 390,927,020,692.03/782,660.94 - Step 6: Final answer
x = 499,484.52
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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.