Finding the Fourth Proportional to 753,887.98, 1,040,373.46 and 409,723.94
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Solution
The fourth proportional to 753,887.98, 1,040,373.46 and 409,723.94 is: 565,423.41
Step by Step Solution
- Step 1: Write the proportion equation
753,887.98 : 1,040,373.46 = 409,723.94 : x - Step 2: Convert to fraction form
753,887.98/1,040,373.46 = 409,723.94/x - Step 3: Cross multiply
753,887.98x = 1,040,373.46 × 409,723.94 - Step 4: Simplify right side
753,887.98x = 426,265,913,102.63 - Step 5: Solve for x
x = 426,265,913,102.63/753,887.98 - Step 6: Final answer
x = 565,423.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.