Finding the Fourth Proportional to 910,774.14, 1,256,861.25 and 502,875.96
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Solution
The fourth proportional to 910,774.14, 1,256,861.25 and 502,875.96 is: 693,964.92
Step by Step Solution
- Step 1: Write the proportion equation
910,774.14 : 1,256,861.25 = 502,875.96 : x - Step 2: Convert to fraction form
910,774.14/1,256,861.25 = 502,875.96/x - Step 3: Cross multiply
910,774.14x = 1,256,861.25 × 502,875.96 - Step 4: Simplify right side
910,774.14x = 632,045,307,680.55 - Step 5: Solve for x
x = 632,045,307,680.55/910,774.14 - Step 6: Final answer
x = 693,964.92
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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.