Finding the Fourth Proportional to 508,645.08, 701,932.14 and 282,290.58
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Solution
The fourth proportional to 508,645.08, 701,932.14 and 282,290.58 is: 389,562.07
Step by Step Solution
- Step 1: Write the proportion equation
508,645.08 : 701,932.14 = 282,290.58 : x - Step 2: Convert to fraction form
508,645.08/701,932.14 = 282,290.58/x - Step 3: Cross multiply
508,645.08x = 701,932.14 × 282,290.58 - Step 4: Simplify right side
508,645.08x = 198,148,830,921.24 - Step 5: Solve for x
x = 198,148,830,921.24/508,645.08 - Step 6: Final answer
x = 389,562.07
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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.