Finding the Fourth Proportional to 458,568.09, 687,618.18 and 269,398.08
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Solution
The fourth proportional to 458,568.09, 687,618.18 and 269,398.08 is: 403,959.68
Step by Step Solution
- Step 1: Write the proportion equation
458,568.09 : 687,618.18 = 269,398.08 : x - Step 2: Convert to fraction form
458,568.09/687,618.18 = 269,398.08/x - Step 3: Cross multiply
458,568.09x = 687,618.18 × 269,398.08 - Step 4: Simplify right side
458,568.09x = 185,243,017,465.09 - Step 5: Solve for x
x = 185,243,017,465.09/458,568.09 - Step 6: Final answer
x = 403,959.68
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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.