Finding the Fourth Proportional to 754,283.64, 1,040,948.79 and 467,895.99
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Solution
The fourth proportional to 754,283.64, 1,040,948.79 and 467,895.99 is: 645,719.65
Step by Step Solution
- Step 1: Write the proportion equation
754,283.64 : 1,040,948.79 = 467,895.99 : x - Step 2: Convert to fraction form
754,283.64/1,040,948.79 = 467,895.99/x - Step 3: Cross multiply
754,283.64x = 1,040,948.79 × 467,895.99 - Step 4: Simplify right side
754,283.64x = 487,055,764,636.35 - Step 5: Solve for x
x = 487,055,764,636.35/754,283.64 - Step 6: Final answer
x = 645,719.65
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1.5x scale
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.