Finding the Fourth Proportional to 584,219.12, 806,224.80 and 315,947.12
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Solution
The fourth proportional to 584,219.12, 806,224.80 and 315,947.12 is: 436,008.33
Step by Step Solution
- Step 1: Write the proportion equation
584,219.12 : 806,224.80 = 315,947.12 : x - Step 2: Convert to fraction form
584,219.12/806,224.80 = 315,947.12/x - Step 3: Cross multiply
584,219.12x = 806,224.80 × 315,947.12 - Step 4: Simplify right side
584,219.12x = 254,724,400,786.25 - Step 5: Solve for x
x = 254,724,400,786.25/584,219.12 - Step 6: Final answer
x = 436,008.33
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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.