Finding the Fourth Proportional to 889,315.98, 1,333,774.30 and 409,082.56
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Solution
The fourth proportional to 889,315.98, 1,333,774.30 and 409,082.56 is: 613,531.99
Step by Step Solution
- Step 1: Write the proportion equation
889,315.98 : 1,333,774.30 = 409,082.56 : x - Step 2: Convert to fraction form
889,315.98/1,333,774.30 = 409,082.56/x - Step 3: Cross multiply
889,315.98x = 1,333,774.30 × 409,082.56 - Step 4: Simplify right side
889,315.98x = 545,623,805,106.21 - Step 5: Solve for x
x = 545,623,805,106.21/889,315.98 - Step 6: Final answer
x = 613,531.99
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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.