Finding the Fourth Proportional to 563,177.97, 777,069.11 and 321,539.18
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Solution
The fourth proportional to 563,177.97, 777,069.11 and 321,539.18 is: 443,657.56
Step by Step Solution
- Step 1: Write the proportion equation
563,177.97 : 777,069.11 = 321,539.18 : x - Step 2: Convert to fraction form
563,177.97/777,069.11 = 321,539.18/x - Step 3: Cross multiply
563,177.97x = 777,069.11 × 321,539.18 - Step 4: Simplify right side
563,177.97x = 249,858,161,351.23 - Step 5: Solve for x
x = 249,858,161,351.23/563,177.97 - Step 6: Final answer
x = 443,657.56
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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.