Finding the Fourth Proportional to 803,464.29, 1,205,688.51 and 323,604.09
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Solution
The fourth proportional to 803,464.29, 1,205,688.51 and 323,604.09 is: 485,604.32
Step by Step Solution
- Step 1: Write the proportion equation
803,464.29 : 1,205,688.51 = 323,604.09 : x - Step 2: Convert to fraction form
803,464.29/1,205,688.51 = 323,604.09/x - Step 3: Cross multiply
803,464.29x = 1,205,688.51 × 323,604.09 - Step 4: Simplify right side
803,464.29x = 390,165,733,102.01 - Step 5: Solve for x
x = 390,165,733,102.01/803,464.29 - Step 6: Final answer
x = 485,604.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.