Finding the Fourth Proportional to 698,375.99, 963,727.78 and 408,014.48
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Solution
The fourth proportional to 698,375.99, 963,727.78 and 408,014.48 is: 563,041.82
Step by Step Solution
- Step 1: Write the proportion equation
698,375.99 : 963,727.78 = 408,014.48 : x - Step 2: Convert to fraction form
698,375.99/963,727.78 = 408,014.48/x - Step 3: Cross multiply
698,375.99x = 963,727.78 × 408,014.48 - Step 4: Simplify right side
698,375.99x = 393,214,889,018.25 - Step 5: Solve for x
x = 393,214,889,018.25/698,375.99 - Step 6: Final answer
x = 563,041.82
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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.