Finding the Fourth Proportional to 1,346,585.80, 2,019,878.70 and 349,313.80
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Solution
The fourth proportional to 1,346,585.80, 2,019,878.70 and 349,313.80 is: 523,970.70
Step by Step Solution
- Step 1: Write the proportion equation
1,346,585.80 : 2,019,878.70 = 349,313.80 : x - Step 2: Convert to fraction form
1,346,585.80/2,019,878.70 = 349,313.80/x - Step 3: Cross multiply
1,346,585.80x = 2,019,878.70 × 349,313.80 - Step 4: Simplify right side
1,346,585.80x = 705,571,504,236.06 - Step 5: Solve for x
x = 705,571,504,236.06/1,346,585.80 - Step 6: Final answer
x = 523,970.70
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1.5x scale
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.