Finding the Fourth Proportional to 721,134.04, 995,149.92 and 449,064.76
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Solution
The fourth proportional to 721,134.04, 995,149.92 and 449,064.76 is: 619,699.99
Step by Step Solution
- Step 1: Write the proportion equation
721,134.04 : 995,149.92 = 449,064.76 : x - Step 2: Convert to fraction form
721,134.04/995,149.92 = 449,064.76/x - Step 3: Cross multiply
721,134.04x = 995,149.92 × 449,064.76 - Step 4: Simplify right side
721,134.04x = 446,886,759,988.82 - Step 5: Solve for x
x = 446,886,759,988.82/721,134.04 - Step 6: Final answer
x = 619,699.99
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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.