Finding the Fourth Proportional to 512,291.64, 706,897.26 and 285,946.68
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Solution
The fourth proportional to 512,291.64, 706,897.26 and 285,946.68 is: 394,570.02
Step by Step Solution
- Step 1: Write the proportion equation
512,291.64 : 706,897.26 = 285,946.68 : x - Step 2: Convert to fraction form
512,291.64/706,897.26 = 285,946.68/x - Step 3: Cross multiply
512,291.64x = 706,897.26 × 285,946.68 - Step 4: Simplify right side
512,291.64x = 202,134,924,598.10 - Step 5: Solve for x
x = 202,134,924,598.10/512,291.64 - Step 6: Final answer
x = 394,570.02
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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.