Finding the Fourth Proportional to 560,388.68, 773,382.18 and 318,746.84
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Solution
The fourth proportional to 560,388.68, 773,382.18 and 318,746.84 is: 439,896.69
Step by Step Solution
- Step 1: Write the proportion equation
560,388.68 : 773,382.18 = 318,746.84 : x - Step 2: Convert to fraction form
560,388.68/773,382.18 = 318,746.84/x - Step 3: Cross multiply
560,388.68x = 773,382.18 × 318,746.84 - Step 4: Simplify right side
560,388.68x = 246,513,125,987.31 - Step 5: Solve for x
x = 246,513,125,987.31/560,388.68 - Step 6: Final answer
x = 439,896.69
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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.