Finding the Fourth Proportional to 750,945.09, 1,126,564.65 and 330,219.75
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Solution
The fourth proportional to 750,945.09, 1,126,564.65 and 330,219.75 is: 495,394.27
Step by Step Solution
- Step 1: Write the proportion equation
750,945.09 : 1,126,564.65 = 330,219.75 : x - Step 2: Convert to fraction form
750,945.09/1,126,564.65 = 330,219.75/x - Step 3: Cross multiply
750,945.09x = 1,126,564.65 × 330,219.75 - Step 4: Simplify right side
750,945.09x = 372,013,897,081.84 - Step 5: Solve for x
x = 372,013,897,081.84/750,945.09 - Step 6: Final answer
x = 495,394.27
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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.