Finding the Fourth Proportional to 748,977.06, 1,033,588.36 and 409,445.31
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Solution
The fourth proportional to 748,977.06, 1,033,588.36 and 409,445.31 is: 565,034.54
Step by Step Solution
- Step 1: Write the proportion equation
748,977.06 : 1,033,588.36 = 409,445.31 : x - Step 2: Convert to fraction form
748,977.06/1,033,588.36 = 409,445.31/x - Step 3: Cross multiply
748,977.06x = 1,033,588.36 × 409,445.31 - Step 4: Simplify right side
748,977.06x = 423,197,906,472.59 - Step 5: Solve for x
x = 423,197,906,472.59/748,977.06 - Step 6: Final answer
x = 565,034.54
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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.