Finding the Fourth Proportional to 564,852.26, 779,496.12 and 310,203.47
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Solution
The fourth proportional to 564,852.26, 779,496.12 and 310,203.47 is: 428,080.79
Step by Step Solution
- Step 1: Write the proportion equation
564,852.26 : 779,496.12 = 310,203.47 : x - Step 2: Convert to fraction form
564,852.26/779,496.12 = 310,203.47/x - Step 3: Cross multiply
564,852.26x = 779,496.12 × 310,203.47 - Step 4: Simplify right side
564,852.26x = 241,802,397,378.06 - Step 5: Solve for x
x = 241,802,397,378.06/564,852.26 - Step 6: Final answer
x = 428,080.79
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1.5x scale
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.