Finding the Fourth Proportional to 992,927.16, 1,489,439.95 and 283,059.77
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Solution
The fourth proportional to 992,927.16, 1,489,439.95 and 283,059.77 is: 424,603.68
Step by Step Solution
- Step 1: Write the proportion equation
992,927.16 : 1,489,439.95 = 283,059.77 : x - Step 2: Convert to fraction form
992,927.16/1,489,439.95 = 283,059.77/x - Step 3: Cross multiply
992,927.16x = 1,489,439.95 × 283,059.77 - Step 4: Simplify right side
992,927.16x = 421,600,521,520.96 - Step 5: Solve for x
x = 421,600,521,520.96/992,927.16 - Step 6: Final answer
x = 424,603.68
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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.