Finding the Fourth Proportional to 516,760.56, 713,125.08 and 290,405.52
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Solution
The fourth proportional to 516,760.56, 713,125.08 and 290,405.52 is: 400,757.09
Step by Step Solution
- Step 1: Write the proportion equation
516,760.56 : 713,125.08 = 290,405.52 : x - Step 2: Convert to fraction form
516,760.56/713,125.08 = 290,405.52/x - Step 3: Cross multiply
516,760.56x = 713,125.08 × 290,405.52 - Step 4: Simplify right side
516,760.56x = 207,095,459,682.44 - Step 5: Solve for x
x = 207,095,459,682.44/516,760.56 - Step 6: Final answer
x = 400,757.09
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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.