Finding the Fourth Proportional to 753,894.90, 1,040,382.99 and 409,730.85
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Solution
The fourth proportional to 753,894.90, 1,040,382.99 and 409,730.85 is: 565,432.94
Step by Step Solution
- Step 1: Write the proportion equation
753,894.90 : 1,040,382.99 = 409,730.85 : x - Step 2: Convert to fraction form
753,894.90/1,040,382.99 = 409,730.85/x - Step 3: Cross multiply
753,894.90x = 1,040,382.99 × 409,730.85 - Step 4: Simplify right side
753,894.90x = 426,277,006,818.24 - Step 5: Solve for x
x = 426,277,006,818.24/753,894.90 - Step 6: Final answer
x = 565,432.94
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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.