Finding the Fourth Proportional to 698,293.28, 963,685.96 and 525,907.20
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Solution
The fourth proportional to 698,293.28, 963,685.96 and 525,907.20 is: 725,782.99
Step by Step Solution
- Step 1: Write the proportion equation
698,293.28 : 963,685.96 = 525,907.20 : x - Step 2: Convert to fraction form
698,293.28/963,685.96 = 525,907.20/x - Step 3: Cross multiply
698,293.28x = 963,685.96 × 525,907.20 - Step 4: Simplify right side
698,293.28x = 506,809,384,902.91 - Step 5: Solve for x
x = 506,809,384,902.91/698,293.28 - Step 6: Final answer
x = 725,782.99
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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.