Finding the Fourth Proportional to 458,731.68, 687,747.36 and 259,277.28
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Solution
The fourth proportional to 458,731.68, 687,747.36 and 259,277.28 is: 388,718.01
Step by Step Solution
- Step 1: Write the proportion equation
458,731.68 : 687,747.36 = 259,277.28 : x - Step 2: Convert to fraction form
458,731.68/687,747.36 = 259,277.28/x - Step 3: Cross multiply
458,731.68x = 687,747.36 × 259,277.28 - Step 4: Simplify right side
458,731.68x = 178,317,264,827.98 - Step 5: Solve for x
x = 178,317,264,827.98/458,731.68 - Step 6: Final answer
x = 388,718.01
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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.