Finding the Fourth Proportional to 752,693.23, 1,128,801.93 and 247,170.88
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Solution
The fourth proportional to 752,693.23, 1,128,801.93 and 247,170.88 is: 370,678.19
Step by Step Solution
- Step 1: Write the proportion equation
752,693.23 : 1,128,801.93 = 247,170.88 : x - Step 2: Convert to fraction form
752,693.23/1,128,801.93 = 247,170.88/x - Step 3: Cross multiply
752,693.23x = 1,128,801.93 × 247,170.88 - Step 4: Simplify right side
752,693.23x = 279,006,966,383.80 - Step 5: Solve for x
x = 279,006,966,383.80/752,693.23 - Step 6: Final answer
x = 370,678.19
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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.