Finding the Fourth Proportional to 738,927.30, 1,019,730.99 and 432,930.46
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Solution
The fourth proportional to 738,927.30, 1,019,730.99 and 432,930.46 is: 597,450.66
Step by Step Solution
- Step 1: Write the proportion equation
738,927.30 : 1,019,730.99 = 432,930.46 : x - Step 2: Convert to fraction form
738,927.30/1,019,730.99 = 432,930.46/x - Step 3: Cross multiply
738,927.30x = 1,019,730.99 × 432,930.46 - Step 4: Simplify right side
738,927.30x = 441,472,606,576.96 - Step 5: Solve for x
x = 441,472,606,576.96/738,927.30 - Step 6: Final answer
x = 597,450.66
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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.