Finding the Fourth Proportional to 756,070.80, 1,134,106.20 and 504,128.40
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Solution
The fourth proportional to 756,070.80, 1,134,106.20 and 504,128.40 is: 756,192.60
Step by Step Solution
- Step 1: Write the proportion equation
756,070.80 : 1,134,106.20 = 504,128.40 : x - Step 2: Convert to fraction form
756,070.80/1,134,106.20 = 504,128.40/x - Step 3: Cross multiply
756,070.80x = 1,134,106.20 × 504,128.40 - Step 4: Simplify right side
756,070.80x = 571,735,144,036.08 - Step 5: Solve for x
x = 571,735,144,036.08/756,070.80 - Step 6: Final answer
x = 756,192.60
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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.