Finding the Fourth Proportional to 910,442.09, 1,256,410.22 and 502,544.02
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Solution
The fourth proportional to 910,442.09, 1,256,410.22 and 502,544.02 is: 693,510.82
Step by Step Solution
- Step 1: Write the proportion equation
910,442.09 : 1,256,410.22 = 502,544.02 : x - Step 2: Convert to fraction form
910,442.09/1,256,410.22 = 502,544.02/x - Step 3: Cross multiply
910,442.09x = 1,256,410.22 × 502,544.02 - Step 4: Simplify right side
910,442.09x = 631,401,443,670.24 - Step 5: Solve for x
x = 631,401,443,670.24/910,442.09 - Step 6: Final answer
x = 693,510.82
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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.