Finding the Fourth Proportional to 754,911.36, 1,041,805.44 and 415,393.92
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Solution
The fourth proportional to 754,911.36, 1,041,805.44 and 415,393.92 is: 573,258.89
Step by Step Solution
- Step 1: Write the proportion equation
754,911.36 : 1,041,805.44 = 415,393.92 : x - Step 2: Convert to fraction form
754,911.36/1,041,805.44 = 415,393.92/x - Step 3: Cross multiply
754,911.36x = 1,041,805.44 × 415,393.92 - Step 4: Simplify right side
754,911.36x = 432,759,645,598.93 - Step 5: Solve for x
x = 432,759,645,598.93/754,911.36 - Step 6: Final answer
x = 573,258.89
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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.