Finding the Fourth Proportional to 654,670.77, 903,310.20 and 382,686.09
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Solution
The fourth proportional to 654,670.77, 903,310.20 and 382,686.09 is: 528,027.62
Step by Step Solution
- Step 1: Write the proportion equation
654,670.77 : 903,310.20 = 382,686.09 : x - Step 2: Convert to fraction form
654,670.77/903,310.20 = 382,686.09/x - Step 3: Cross multiply
654,670.77x = 903,310.20 × 382,686.09 - Step 4: Simplify right side
654,670.77x = 345,684,248,495.12 - Step 5: Solve for x
x = 345,684,248,495.12/654,670.77 - Step 6: Final answer
x = 528,027.62
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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.