Finding the Fourth Proportional to 750,911.60, 1,126,514.40 and 330,186.26
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Solution
The fourth proportional to 750,911.60, 1,126,514.40 and 330,186.26 is: 495,344.03
Step by Step Solution
- Step 1: Write the proportion equation
750,911.60 : 1,126,514.40 = 330,186.26 : x - Step 2: Convert to fraction form
750,911.60/1,126,514.40 = 330,186.26/x - Step 3: Cross multiply
750,911.60x = 1,126,514.40 × 330,186.26 - Step 4: Simplify right side
750,911.60x = 371,959,576,572.14 - Step 5: Solve for x
x = 371,959,576,572.14/750,911.60 - Step 6: Final answer
x = 495,344.03
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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.