Finding the Fourth Proportional to 486,554.00, 671,760.45 and 435,478.14
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Solution
The fourth proportional to 486,554.00, 671,760.45 and 435,478.14 is: 601,242.60
Step by Step Solution
- Step 1: Write the proportion equation
486,554.00 : 671,760.45 = 435,478.14 : x - Step 2: Convert to fraction form
486,554.00/671,760.45 = 435,478.14/x - Step 3: Cross multiply
486,554.00x = 671,760.45 × 435,478.14 - Step 4: Simplify right side
486,554.00x = 292,536,991,291.56 - Step 5: Solve for x
x = 292,536,991,291.56/486,554.00 - Step 6: Final answer
x = 601,242.60
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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.