Finding the Fourth Proportional to 762,770.04, 1,052,623.26 and 423,238.08
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Solution
The fourth proportional to 762,770.04, 1,052,623.26 and 423,238.08 is: 584,068.89
Step by Step Solution
- Step 1: Write the proportion equation
762,770.04 : 1,052,623.26 = 423,238.08 : x - Step 2: Convert to fraction form
762,770.04/1,052,623.26 = 423,238.08/x - Step 3: Cross multiply
762,770.04x = 1,052,623.26 × 423,238.08 - Step 4: Simplify right side
762,770.04x = 445,510,247,525.74 - Step 5: Solve for x
x = 445,510,247,525.74/762,770.04 - Step 6: Final answer
x = 584,068.89
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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.