Finding the Fourth Proportional to 748,963.98, 1,033,454.66 and 426,633.12
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Solution
The fourth proportional to 748,963.98, 1,033,454.66 and 426,633.12 is: 588,687.84
Step by Step Solution
- Step 1: Write the proportion equation
748,963.98 : 1,033,454.66 = 426,633.12 : x - Step 2: Convert to fraction form
748,963.98/1,033,454.66 = 426,633.12/x - Step 3: Cross multiply
748,963.98x = 1,033,454.66 × 426,633.12 - Step 4: Simplify right side
748,963.98x = 440,905,985,974.34 - Step 5: Solve for x
x = 440,905,985,974.34/748,963.98 - Step 6: Final answer
x = 588,687.84
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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.