Finding the Fourth Proportional to 998,465.40, 1,497,698.10 and 555,233.40
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Solution
The fourth proportional to 998,465.40, 1,497,698.10 and 555,233.40 is: 832,850.10
Step by Step Solution
- Step 1: Write the proportion equation
998,465.40 : 1,497,698.10 = 555,233.40 : x - Step 2: Convert to fraction form
998,465.40/1,497,698.10 = 555,233.40/x - Step 3: Cross multiply
998,465.40x = 1,497,698.10 × 555,233.40 - Step 4: Simplify right side
998,465.40x = 831,572,008,236.54 - Step 5: Solve for x
x = 831,572,008,236.54/998,465.40 - Step 6: Final answer
x = 832,850.10
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.