Finding the Fourth Proportional to 503,853.77, 695,197.44 and 286,013.99
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Solution
The fourth proportional to 503,853.77, 695,197.44 and 286,013.99 is: 394,630.75
Step by Step Solution
- Step 1: Write the proportion equation
503,853.77 : 695,197.44 = 286,013.99 : x - Step 2: Convert to fraction form
503,853.77/695,197.44 = 286,013.99/x - Step 3: Cross multiply
503,853.77x = 695,197.44 × 286,013.99 - Step 4: Simplify right side
503,853.77x = 198,836,193,652.19 - Step 5: Solve for x
x = 198,836,193,652.19/503,853.77 - Step 6: Final answer
x = 394,630.75
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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.