Finding the Fourth Proportional to 803,639.76, 1,205,320.84 and 227,303.28
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Solution
The fourth proportional to 803,639.76, 1,205,320.84 and 227,303.28 is: 340,915.66
Step by Step Solution
- Step 1: Write the proportion equation
803,639.76 : 1,205,320.84 = 227,303.28 : x - Step 2: Convert to fraction form
803,639.76/1,205,320.84 = 227,303.28/x - Step 3: Cross multiply
803,639.76x = 1,205,320.84 × 227,303.28 - Step 4: Simplify right side
803,639.76x = 273,973,380,384.36 - Step 5: Solve for x
x = 273,973,380,384.36/803,639.76 - Step 6: Final answer
x = 340,915.66
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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.