Finding the Fourth Proportional to 753,888.17, 1,040,373.73 and 409,724.08
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Solution
The fourth proportional to 753,888.17, 1,040,373.73 and 409,724.08 is: 565,423.61
Step by Step Solution
- Step 1: Write the proportion equation
753,888.17 : 1,040,373.73 = 409,724.08 : x - Step 2: Convert to fraction form
753,888.17/1,040,373.73 = 409,724.08/x - Step 3: Cross multiply
753,888.17x = 1,040,373.73 × 409,724.08 - Step 4: Simplify right side
753,888.17x = 426,266,169,380.42 - Step 5: Solve for x
x = 426,266,169,380.42/753,888.17 - Step 6: Final answer
x = 565,423.61
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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.