Finding the Fourth Proportional to 648,902.88, 895,538.12 and 358,539.75
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Solution
The fourth proportional to 648,902.88, 895,538.12 and 358,539.75 is: 494,813.66
Step by Step Solution
- Step 1: Write the proportion equation
648,902.88 : 895,538.12 = 358,539.75 : x - Step 2: Convert to fraction form
648,902.88/895,538.12 = 358,539.75/x - Step 3: Cross multiply
648,902.88x = 895,538.12 × 358,539.75 - Step 4: Simplify right side
648,902.88x = 321,086,011,867.57 - Step 5: Solve for x
x = 321,086,011,867.57/648,902.88 - Step 6: Final answer
x = 494,813.66
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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.