Finding the Fourth Proportional to 712,098.24, 982,670.93 and 406,273.62
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Solution
The fourth proportional to 712,098.24, 982,670.93 and 406,273.62 is: 560,643.55
Step by Step Solution
- Step 1: Write the proportion equation
712,098.24 : 982,670.93 = 406,273.62 : x - Step 2: Convert to fraction form
712,098.24/982,670.93 = 406,273.62/x - Step 3: Cross multiply
712,098.24x = 982,670.93 × 406,273.62 - Step 4: Simplify right side
712,098.24x = 399,233,279,472.23 - Step 5: Solve for x
x = 399,233,279,472.23/712,098.24 - Step 6: Final answer
x = 560,643.55
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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.