Finding the Fourth Proportional to 847,122.52, 1,169,134.42 and 484,496.06
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Solution
The fourth proportional to 847,122.52, 1,169,134.42 and 484,496.06 is: 668,664.81
Step by Step Solution
- Step 1: Write the proportion equation
847,122.52 : 1,169,134.42 = 484,496.06 : x - Step 2: Convert to fraction form
847,122.52/1,169,134.42 = 484,496.06/x - Step 3: Cross multiply
847,122.52x = 1,169,134.42 × 484,496.06 - Step 4: Simplify right side
847,122.52x = 566,441,020,100.39 - Step 5: Solve for x
x = 566,441,020,100.39/847,122.52 - Step 6: Final answer
x = 668,664.81
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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.