Finding the Fourth Proportional to 884,040.21, 1,220,122.26 and 521,553.20
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Solution
The fourth proportional to 884,040.21, 1,220,122.26 and 521,553.20 is: 719,830.00
Step by Step Solution
- Step 1: Write the proportion equation
884,040.21 : 1,220,122.26 = 521,553.20 : x - Step 2: Convert to fraction form
884,040.21/1,220,122.26 = 521,553.20/x - Step 3: Cross multiply
884,040.21x = 1,220,122.26 × 521,553.20 - Step 4: Simplify right side
884,040.21x = 636,358,662,993.62 - Step 5: Solve for x
x = 636,358,662,993.62/884,040.21 - Step 6: Final answer
x = 719,830.00
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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.