Finding the Fourth Proportional to 532,639.80, 798,959.70 and 283,807.80
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Solution
The fourth proportional to 532,639.80, 798,959.70 and 283,807.80 is: 425,711.70
Step by Step Solution
- Step 1: Write the proportion equation
532,639.80 : 798,959.70 = 283,807.80 : x - Step 2: Convert to fraction form
532,639.80/798,959.70 = 283,807.80/x - Step 3: Cross multiply
532,639.80x = 798,959.70 × 283,807.80 - Step 4: Simplify right side
532,639.80x = 226,750,994,745.66 - Step 5: Solve for x
x = 226,750,994,745.66/532,639.80 - Step 6: Final answer
x = 425,711.70
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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.