Finding the Fourth Proportional to 761,604.30, 1,051,129.62 and 486,081
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Solution
The fourth proportional to 761,604.30, 1,051,129.62 and 486,081 is: 670,865.61
Step by Step Solution
- Step 1: Write the proportion equation
761,604.30 : 1,051,129.62 = 486,081 : x - Step 2: Convert to fraction form
761,604.30/1,051,129.62 = 486,081/x - Step 3: Cross multiply
761,604.30x = 1,051,129.62 × 486,081 - Step 4: Simplify right side
761,604.30x = 510,934,136,819.22 - Step 5: Solve for x
x = 510,934,136,819.22/761,604.30 - Step 6: Final answer
x = 670,865.61
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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.