Finding the Fourth Proportional to 998,478.40, 1,497,717.60 and 555,246.40
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Solution
The fourth proportional to 998,478.40, 1,497,717.60 and 555,246.40 is: 832,869.60
Step by Step Solution
- Step 1: Write the proportion equation
998,478.40 : 1,497,717.60 = 555,246.40 : x - Step 2: Convert to fraction form
998,478.40/1,497,717.60 = 555,246.40/x - Step 3: Cross multiply
998,478.40x = 1,497,717.60 × 555,246.40 - Step 4: Simplify right side
998,478.40x = 831,602,305,616.64 - Step 5: Solve for x
x = 831,602,305,616.64/998,478.40 - Step 6: Final answer
x = 832,869.60
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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.