Finding the Fourth Proportional to 765,652.99, 1,148,391.86 and 204,731.23
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Solution
The fourth proportional to 765,652.99, 1,148,391.86 and 204,731.23 is: 307,073.41
Step by Step Solution
- Step 1: Write the proportion equation
765,652.99 : 1,148,391.86 = 204,731.23 : x - Step 2: Convert to fraction form
765,652.99/1,148,391.86 = 204,731.23/x - Step 3: Cross multiply
765,652.99x = 1,148,391.86 × 204,731.23 - Step 4: Simplify right side
765,652.99x = 235,111,678,019.79 - Step 5: Solve for x
x = 235,111,678,019.79/765,652.99 - Step 6: Final answer
x = 307,073.41
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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.