Finding the Fourth Proportional to 499,827.24, 689,481.20 and 306,328.67
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Solution
The fourth proportional to 499,827.24, 689,481.20 and 306,328.67 is: 422,561.71
Step by Step Solution
- Step 1: Write the proportion equation
499,827.24 : 689,481.20 = 306,328.67 : x - Step 2: Convert to fraction form
499,827.24/689,481.20 = 306,328.67/x - Step 3: Cross multiply
499,827.24x = 689,481.20 × 306,328.67 - Step 4: Simplify right side
499,827.24x = 211,207,854,006.96 - Step 5: Solve for x
x = 211,207,854,006.96/499,827.24 - Step 6: Final answer
x = 422,561.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.