Finding the Fourth Proportional to 521,675.26, 719,901.03 and 283,211.26
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Solution
The fourth proportional to 521,675.26, 719,901.03 and 283,211.26 is: 390,825.66
Step by Step Solution
- Step 1: Write the proportion equation
521,675.26 : 719,901.03 = 283,211.26 : x - Step 2: Convert to fraction form
521,675.26/719,901.03 = 283,211.26/x - Step 3: Cross multiply
521,675.26x = 719,901.03 × 283,211.26 - Step 4: Simplify right side
521,675.26x = 203,884,077,781.60 - Step 5: Solve for x
x = 203,884,077,781.60/521,675.26 - Step 6: Final answer
x = 390,825.66
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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.