Finding the Fourth Proportional to 748,518.06, 1,032,942.87 and 408,979.02
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Solution
The fourth proportional to 748,518.06, 1,032,942.87 and 408,979.02 is: 564,384.46
Step by Step Solution
- Step 1: Write the proportion equation
748,518.06 : 1,032,942.87 = 408,979.02 : x - Step 2: Convert to fraction form
748,518.06/1,032,942.87 = 408,979.02/x - Step 3: Cross multiply
748,518.06x = 1,032,942.87 × 408,979.02 - Step 4: Simplify right side
748,518.06x = 422,451,962,688.59 - Step 5: Solve for x
x = 422,451,962,688.59/748,518.06 - Step 6: Final answer
x = 564,384.46
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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.