Finding the Fourth Proportional to 788,655.98, 1,088,367.06 and 482,726.26
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Solution
The fourth proportional to 788,655.98, 1,088,367.06 and 482,726.26 is: 666,175.59
Step by Step Solution
- Step 1: Write the proportion equation
788,655.98 : 1,088,367.06 = 482,726.26 : x - Step 2: Convert to fraction form
788,655.98/1,088,367.06 = 482,726.26/x - Step 3: Cross multiply
788,655.98x = 1,088,367.06 × 482,726.26 - Step 4: Simplify right side
788,655.98x = 525,383,360,381.00 - Step 5: Solve for x
x = 525,383,360,381.00/788,655.98 - Step 6: Final answer
x = 666,175.59
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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.