Finding the Fourth Proportional to 983,192.36, 1,474,961.49 and 406,813.95
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Solution
The fourth proportional to 983,192.36, 1,474,961.49 and 406,813.95 is: 610,292.49
Step by Step Solution
- Step 1: Write the proportion equation
983,192.36 : 1,474,961.49 = 406,813.95 : x - Step 2: Convert to fraction form
983,192.36/1,474,961.49 = 406,813.95/x - Step 3: Cross multiply
983,192.36x = 1,474,961.49 × 406,813.95 - Step 4: Simplify right side
983,192.36x = 600,034,909,844.79 - Step 5: Solve for x
x = 600,034,909,844.79/983,192.36 - Step 6: Final answer
x = 610,292.49
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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.