Finding the Fourth Proportional to 616,309.75, 850,547.01 and 344,378.44
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Solution
The fourth proportional to 616,309.75, 850,547.01 and 344,378.44 is: 475,264.35
Step by Step Solution
- Step 1: Write the proportion equation
616,309.75 : 850,547.01 = 344,378.44 : x - Step 2: Convert to fraction form
616,309.75/850,547.01 = 344,378.44/x - Step 3: Cross multiply
616,309.75x = 850,547.01 × 344,378.44 - Step 4: Simplify right side
616,309.75x = 292,910,052,450.46 - Step 5: Solve for x
x = 292,910,052,450.46/616,309.75 - Step 6: Final answer
x = 475,264.35
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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.