Finding the Fourth Proportional to 816,787.98, 1,127,002.23 and 477,190.62
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Solution
The fourth proportional to 816,787.98, 1,127,002.23 and 477,190.62 is: 658,426.55
Step by Step Solution
- Step 1: Write the proportion equation
816,787.98 : 1,127,002.23 = 477,190.62 : x - Step 2: Convert to fraction form
816,787.98/1,127,002.23 = 477,190.62/x - Step 3: Cross multiply
816,787.98x = 1,127,002.23 × 477,190.62 - Step 4: Simplify right side
816,787.98x = 537,794,892,875.08 - Step 5: Solve for x
x = 537,794,892,875.08/816,787.98 - Step 6: Final answer
x = 658,426.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.