Finding the Fourth Proportional to 889,792.11, 1,334,750.42 and 357,313.13
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Solution
The fourth proportional to 889,792.11, 1,334,750.42 and 357,313.13 is: 535,994.69
Step by Step Solution
- Step 1: Write the proportion equation
889,792.11 : 1,334,750.42 = 357,313.13 : x - Step 2: Convert to fraction form
889,792.11/1,334,750.42 = 357,313.13/x - Step 3: Cross multiply
889,792.11x = 1,334,750.42 × 357,313.13 - Step 4: Simplify right side
889,792.11x = 476,923,841,878.70 - Step 5: Solve for x
x = 476,923,841,878.70/889,792.11 - Step 6: Final answer
x = 535,994.69
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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.