Finding the Fourth Proportional to 821,317.12, 1,133,411.00 and 453,793.12
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Solution
The fourth proportional to 821,317.12, 1,133,411.00 and 453,793.12 is: 626,230.84
Step by Step Solution
- Step 1: Write the proportion equation
821,317.12 : 1,133,411.00 = 453,793.12 : x - Step 2: Convert to fraction form
821,317.12/1,133,411.00 = 453,793.12/x - Step 3: Cross multiply
821,317.12x = 1,133,411.00 × 453,793.12 - Step 4: Simplify right side
821,317.12x = 514,334,108,829.83 - Step 5: Solve for x
x = 514,334,108,829.83/821,317.12 - Step 6: Final answer
x = 626,230.84
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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.