Finding the Fourth Proportional to 770,542.11, 1,063,290.38 and 430,944.75
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Solution
The fourth proportional to 770,542.11, 1,063,290.38 and 430,944.75 is: 594,671.46
Step by Step Solution
- Step 1: Write the proportion equation
770,542.11 : 1,063,290.38 = 430,944.75 : x - Step 2: Convert to fraction form
770,542.11/1,063,290.38 = 430,944.75/x - Step 3: Cross multiply
770,542.11x = 1,063,290.38 × 430,944.75 - Step 4: Simplify right side
770,542.11x = 458,219,404,831.78 - Step 5: Solve for x
x = 458,219,404,831.78/770,542.11 - Step 6: Final answer
x = 594,671.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.