Finding the Fourth Proportional to 516,201.16, 710,709.78 and 440,445.64
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Solution
The fourth proportional to 516,201.16, 710,709.78 and 440,445.64 is: 606,408.99
Step by Step Solution
- Step 1: Write the proportion equation
516,201.16 : 710,709.78 = 440,445.64 : x - Step 2: Convert to fraction form
516,201.16/710,709.78 = 440,445.64/x - Step 3: Cross multiply
516,201.16x = 710,709.78 × 440,445.64 - Step 4: Simplify right side
516,201.16x = 313,029,023,906.36 - Step 5: Solve for x
x = 313,029,023,906.36/516,201.16 - Step 6: Final answer
x = 606,408.99
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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.