Finding the Fourth Proportional to 612,691.74, 845,509.91 and 337,043.66
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Solution
The fourth proportional to 612,691.74, 845,509.91 and 337,043.66 is: 465,117.66
Step by Step Solution
- Step 1: Write the proportion equation
612,691.74 : 845,509.91 = 337,043.66 : x - Step 2: Convert to fraction form
612,691.74/845,509.91 = 337,043.66/x - Step 3: Cross multiply
612,691.74x = 845,509.91 × 337,043.66 - Step 4: Simplify right side
612,691.74x = 284,973,748,719.90 - Step 5: Solve for x
x = 284,973,748,719.90/612,691.74 - Step 6: Final answer
x = 465,117.66
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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.