Finding the Fourth Proportional to 859,118.36, 1,185,513.88 and 496,565.68
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Solution
The fourth proportional to 859,118.36, 1,185,513.88 and 496,565.68 is: 685,220.49
Step by Step Solution
- Step 1: Write the proportion equation
859,118.36 : 1,185,513.88 = 496,565.68 : x - Step 2: Convert to fraction form
859,118.36/1,185,513.88 = 496,565.68/x - Step 3: Cross multiply
859,118.36x = 1,185,513.88 × 496,565.68 - Step 4: Simplify right side
859,118.36x = 588,685,505,971.64 - Step 5: Solve for x
x = 588,685,505,971.64/859,118.36 - Step 6: Final answer
x = 685,220.49
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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.