Finding the Fourth Proportional to 721,586.42, 995,131.41 and 619,579.94
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Solution
The fourth proportional to 721,586.42, 995,131.41 and 619,579.94 is: 854,455.46
Step by Step Solution
- Step 1: Write the proportion equation
721,586.42 : 995,131.41 = 619,579.94 : x - Step 2: Convert to fraction form
721,586.42/995,131.41 = 619,579.94/x - Step 3: Cross multiply
721,586.42x = 995,131.41 × 619,579.94 - Step 4: Simplify right side
721,586.42x = 616,563,459,299.92 - Step 5: Solve for x
x = 616,563,459,299.92/721,586.42 - Step 6: Final answer
x = 854,455.46
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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.