Finding the Fourth Proportional to 1,104,213.75, 1,656,320.74 and 346,055.12
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Solution
The fourth proportional to 1,104,213.75, 1,656,320.74 and 346,055.12 is: 519,082.71
Step by Step Solution
- Step 1: Write the proportion equation
1,104,213.75 : 1,656,320.74 = 346,055.12 : x - Step 2: Convert to fraction form
1,104,213.75/1,656,320.74 = 346,055.12/x - Step 3: Cross multiply
1,104,213.75x = 1,656,320.74 × 346,055.12 - Step 4: Simplify right side
1,104,213.75x = 573,178,263,292.45 - Step 5: Solve for x
x = 573,178,263,292.45/1,104,213.75 - Step 6: Final answer
x = 519,082.71
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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.