Finding the Fourth Proportional to 912,296.79, 1,258,947.36 and 504,388.08
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Solution
The fourth proportional to 912,296.79, 1,258,947.36 and 504,388.08 is: 696,043.27
Step by Step Solution
- Step 1: Write the proportion equation
912,296.79 : 1,258,947.36 = 504,388.08 : x - Step 2: Convert to fraction form
912,296.79/1,258,947.36 = 504,388.08/x - Step 3: Cross multiply
912,296.79x = 1,258,947.36 × 504,388.08 - Step 4: Simplify right side
912,296.79x = 634,998,041,731.47 - Step 5: Solve for x
x = 634,998,041,731.47/912,296.79 - Step 6: Final answer
x = 696,043.27
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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.