Finding the Fourth Proportional to 1,131,090.12, 1,696,646.79 and 332,385.84
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Solution
The fourth proportional to 1,131,090.12, 1,696,646.79 and 332,385.84 is: 498,582.17
Step by Step Solution
- Step 1: Write the proportion equation
1,131,090.12 : 1,696,646.79 = 332,385.84 : x - Step 2: Convert to fraction form
1,131,090.12/1,696,646.79 = 332,385.84/x - Step 3: Cross multiply
1,131,090.12x = 1,696,646.79 × 332,385.84 - Step 4: Simplify right side
1,131,090.12x = 563,941,368,477.45 - Step 5: Solve for x
x = 563,941,368,477.45/1,131,090.12 - Step 6: Final answer
x = 498,582.17
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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.