Finding the Fourth Proportional to 703,602.44, 970,440.10 and 442,033.80
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Solution
The fourth proportional to 703,602.44, 970,440.10 and 442,033.80 is: 609,672.88
Step by Step Solution
- Step 1: Write the proportion equation
703,602.44 : 970,440.10 = 442,033.80 : x - Step 2: Convert to fraction form
703,602.44/970,440.10 = 442,033.80/x - Step 3: Cross multiply
703,602.44x = 970,440.10 × 442,033.80 - Step 4: Simplify right side
703,602.44x = 428,967,325,075.38 - Step 5: Solve for x
x = 428,967,325,075.38/703,602.44 - Step 6: Final answer
x = 609,672.88
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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.