Finding the Fourth Proportional to 763,631.58, 1,053,750.09 and 441,362.55
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Solution
The fourth proportional to 763,631.58, 1,053,750.09 and 441,362.55 is: 609,044.78
Step by Step Solution
- Step 1: Write the proportion equation
763,631.58 : 1,053,750.09 = 441,362.55 : x - Step 2: Convert to fraction form
763,631.58/1,053,750.09 = 441,362.55/x - Step 3: Cross multiply
763,631.58x = 1,053,750.09 × 441,362.55 - Step 4: Simplify right side
763,631.58x = 465,085,826,785.13 - Step 5: Solve for x
x = 465,085,826,785.13/763,631.58 - Step 6: Final answer
x = 609,044.78
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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.