Finding the Fourth Proportional to 513,336.60, 708,408.99 and 283,881.96
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Solution
The fourth proportional to 513,336.60, 708,408.99 and 283,881.96 is: 391,759.58
Step by Step Solution
- Step 1: Write the proportion equation
513,336.60 : 708,408.99 = 283,881.96 : x - Step 2: Convert to fraction form
513,336.60/708,408.99 = 283,881.96/x - Step 3: Cross multiply
513,336.60x = 708,408.99 × 283,881.96 - Step 4: Simplify right side
513,336.60x = 201,104,532,562.82 - Step 5: Solve for x
x = 201,104,532,562.82/513,336.60 - Step 6: Final answer
x = 391,759.58
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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.