Finding the Fourth Proportional to 730,107.62, 1,092,497.06 and 430,731.62
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Solution
The fourth proportional to 730,107.62, 1,092,497.06 and 430,731.62 is: 644,525.57
Step by Step Solution
- Step 1: Write the proportion equation
730,107.62 : 1,092,497.06 = 430,731.62 : x - Step 2: Convert to fraction form
730,107.62/1,092,497.06 = 430,731.62/x - Step 3: Cross multiply
730,107.62x = 1,092,497.06 × 430,731.62 - Step 4: Simplify right side
730,107.62x = 470,573,028,499.04 - Step 5: Solve for x
x = 470,573,028,499.04/730,107.62 - Step 6: Final answer
x = 644,525.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.