Finding the Fourth Proportional to 949,838.08, 1,310,727.69 and 520,035.07
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Solution
The fourth proportional to 949,838.08, 1,310,727.69 and 520,035.07 is: 717,621.65
Step by Step Solution
- Step 1: Write the proportion equation
949,838.08 : 1,310,727.69 = 520,035.07 : x - Step 2: Convert to fraction form
949,838.08/1,310,727.69 = 520,035.07/x - Step 3: Cross multiply
949,838.08x = 1,310,727.69 × 520,035.07 - Step 4: Simplify right side
949,838.08x = 681,624,366,020.09 - Step 5: Solve for x
x = 681,624,366,020.09/949,838.08 - Step 6: Final answer
x = 717,621.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.