Finding the Fourth Proportional to 929,724.13, 1,395,333.42 and 480,576.57
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Solution
The fourth proportional to 929,724.13, 1,395,333.42 and 480,576.57 is: 721,251.09
Step by Step Solution
- Step 1: Write the proportion equation
929,724.13 : 1,395,333.42 = 480,576.57 : x - Step 2: Convert to fraction form
929,724.13/1,395,333.42 = 480,576.57/x - Step 3: Cross multiply
929,724.13x = 1,395,333.42 × 480,576.57 - Step 4: Simplify right side
929,724.13x = 670,564,542,013.30 - Step 5: Solve for x
x = 670,564,542,013.30/929,724.13 - Step 6: Final answer
x = 721,251.09
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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.