Finding the Fourth Proportional to 544,821.40, 817,232.10 and 394,355.80
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Solution
The fourth proportional to 544,821.40, 817,232.10 and 394,355.80 is: 591,533.70
Step by Step Solution
- Step 1: Write the proportion equation
544,821.40 : 817,232.10 = 394,355.80 : x - Step 2: Convert to fraction form
544,821.40/817,232.10 = 394,355.80/x - Step 3: Cross multiply
544,821.40x = 817,232.10 × 394,355.80 - Step 4: Simplify right side
544,821.40x = 322,280,218,581.18 - Step 5: Solve for x
x = 322,280,218,581.18/544,821.40 - Step 6: Final answer
x = 591,533.70
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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.