Finding the Fourth Proportional to 804,824.81, 1,207,237.44 and 299,319.74
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Solution
The fourth proportional to 804,824.81, 1,207,237.44 and 299,319.74 is: 448,979.69
Step by Step Solution
- Step 1: Write the proportion equation
804,824.81 : 1,207,237.44 = 299,319.74 : x - Step 2: Convert to fraction form
804,824.81/1,207,237.44 = 299,319.74/x - Step 3: Cross multiply
804,824.81x = 1,207,237.44 × 299,319.74 - Step 4: Simplify right side
804,824.81x = 361,349,996,659.07 - Step 5: Solve for x
x = 361,349,996,659.07/804,824.81 - Step 6: Final answer
x = 448,979.69
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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.