Finding the Fourth Proportional to 889,299.60, 1,334,197.71 and 357,194.31
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Solution
The fourth proportional to 889,299.60, 1,334,197.71 and 357,194.31 is: 535,891.20
Step by Step Solution
- Step 1: Write the proportion equation
889,299.60 : 1,334,197.71 = 357,194.31 : x - Step 2: Convert to fraction form
889,299.60/1,334,197.71 = 357,194.31/x - Step 3: Cross multiply
889,299.60x = 1,334,197.71 × 357,194.31 - Step 4: Simplify right side
889,299.60x = 476,567,830,427.03 - Step 5: Solve for x
x = 476,567,830,427.03/889,299.60 - Step 6: Final answer
x = 535,891.20
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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.