Finding the Fourth Proportional to 698,201.76, 963,459.24 and 392,254.14
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Solution
The fourth proportional to 698,201.76, 963,459.24 and 392,254.14 is: 541,277.46
Step by Step Solution
- Step 1: Write the proportion equation
698,201.76 : 963,459.24 = 392,254.14 : x - Step 2: Convert to fraction form
698,201.76/963,459.24 = 392,254.14/x - Step 3: Cross multiply
698,201.76x = 963,459.24 × 392,254.14 - Step 4: Simplify right side
698,201.76x = 377,920,875,611.25 - Step 5: Solve for x
x = 377,920,875,611.25/698,201.76 - Step 6: Final answer
x = 541,277.46
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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.