Finding the Fourth Proportional to 853,574.42, 1,177,918.67 and 471,636.74
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Solution
The fourth proportional to 853,574.42, 1,177,918.67 and 471,636.74 is: 650,850.95
Step by Step Solution
- Step 1: Write the proportion equation
853,574.42 : 1,177,918.67 = 471,636.74 : x - Step 2: Convert to fraction form
853,574.42/1,177,918.67 = 471,636.74/x - Step 3: Cross multiply
853,574.42x = 1,177,918.67 × 471,636.74 - Step 4: Simplify right side
853,574.42x = 555,549,725,627.82 - Step 5: Solve for x
x = 555,549,725,627.82/853,574.42 - Step 6: Final answer
x = 650,850.95
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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.