Finding the Fourth Proportional to 888,520.21, 1,331,572.45 and 375,759.08
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Solution
The fourth proportional to 888,520.21, 1,331,572.45 and 375,759.08 is: 563,127.80
Step by Step Solution
- Step 1: Write the proportion equation
888,520.21 : 1,331,572.45 = 375,759.08 : x - Step 2: Convert to fraction form
888,520.21/1,331,572.45 = 375,759.08/x - Step 3: Cross multiply
888,520.21x = 1,331,572.45 × 375,759.08 - Step 4: Simplify right side
888,520.21x = 500,350,432,577.18 - Step 5: Solve for x
x = 500,350,432,577.18/888,520.21 - Step 6: Final answer
x = 563,127.80
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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.