Finding the Fourth Proportional to 880,953.84, 1,321,430.80 and 382,317.84
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Solution
The fourth proportional to 880,953.84, 1,321,430.80 and 382,317.84 is: 573,476.78
Step by Step Solution
- Step 1: Write the proportion equation
880,953.84 : 1,321,430.80 = 382,317.84 : x - Step 2: Convert to fraction form
880,953.84/1,321,430.80 = 382,317.84/x - Step 3: Cross multiply
880,953.84x = 1,321,430.80 × 382,317.84 - Step 4: Simplify right side
880,953.84x = 505,206,569,165.47 - Step 5: Solve for x
x = 505,206,569,165.47/880,953.84 - Step 6: Final answer
x = 573,476.78
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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.