Finding the Fourth Proportional to 579,203.40, 868,805.10 and 559,849.80
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Solution
The fourth proportional to 579,203.40, 868,805.10 and 559,849.80 is: 839,774.70
Step by Step Solution
- Step 1: Write the proportion equation
579,203.40 : 868,805.10 = 559,849.80 : x - Step 2: Convert to fraction form
579,203.40/868,805.10 = 559,849.80/x - Step 3: Cross multiply
579,203.40x = 868,805.10 × 559,849.80 - Step 4: Simplify right side
579,203.40x = 486,400,361,473.98 - Step 5: Solve for x
x = 486,400,361,473.98/579,203.40 - Step 6: Final answer
x = 839,774.70
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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.