Finding the Fourth Proportional to 730,124.96, 1,007,472.84 and 407,793.92
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Solution
The fourth proportional to 730,124.96, 1,007,472.84 and 407,793.92 is: 562,699.98
Step by Step Solution
- Step 1: Write the proportion equation
730,124.96 : 1,007,472.84 = 407,793.92 : x - Step 2: Convert to fraction form
730,124.96/1,007,472.84 = 407,793.92/x - Step 3: Cross multiply
730,124.96x = 1,007,472.84 × 407,793.92 - Step 4: Simplify right side
730,124.96x = 410,841,298,717.13 - Step 5: Solve for x
x = 410,841,298,717.13/730,124.96 - Step 6: Final answer
x = 562,699.98
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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.