Finding the Fourth Proportional to 509,808.80, 703,533.84 and 283,440.80
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Solution
The fourth proportional to 509,808.80, 703,533.84 and 283,440.80 is: 391,147.02
Step by Step Solution
- Step 1: Write the proportion equation
509,808.80 : 703,533.84 = 283,440.80 : x - Step 2: Convert to fraction form
509,808.80/703,533.84 = 283,440.80/x - Step 3: Cross multiply
509,808.80x = 703,533.84 × 283,440.80 - Step 4: Simplify right side
509,808.80x = 199,410,194,436.67 - Step 5: Solve for x
x = 199,410,194,436.67/509,808.80 - Step 6: Final answer
x = 391,147.02
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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.