Finding the Fourth Proportional to 775,170.08, 1,069,605.12 and 430,996.40
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Solution
The fourth proportional to 775,170.08, 1,069,605.12 and 430,996.40 is: 594,702.98
Step by Step Solution
- Step 1: Write the proportion equation
775,170.08 : 1,069,605.12 = 430,996.40 : x - Step 2: Convert to fraction form
775,170.08/1,069,605.12 = 430,996.40/x - Step 3: Cross multiply
775,170.08x = 1,069,605.12 × 430,996.40 - Step 4: Simplify right side
775,170.08x = 460,995,956,141.57 - Step 5: Solve for x
x = 460,995,956,141.57/775,170.08 - Step 6: Final answer
x = 594,702.98
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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.