Finding the Fourth Proportional to 510,542.05, 704,536.35 and 319,660.69
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Solution
The fourth proportional to 510,542.05, 704,536.35 and 319,660.69 is: 441,124.44
Step by Step Solution
- Step 1: Write the proportion equation
510,542.05 : 704,536.35 = 319,660.69 : x - Step 2: Convert to fraction form
510,542.05/704,536.35 = 319,660.69/x - Step 3: Cross multiply
510,542.05x = 704,536.35 × 319,660.69 - Step 4: Simplify right side
510,542.05x = 225,212,575,771.08 - Step 5: Solve for x
x = 225,212,575,771.08/510,542.05 - Step 6: Final answer
x = 441,124.44
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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.