Finding the Fourth Proportional to 741,478.84, 1,112,305.74 and 555,671.32
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Solution
The fourth proportional to 741,478.84, 1,112,305.74 and 555,671.32 is: 833,572.54
Step by Step Solution
- Step 1: Write the proportion equation
741,478.84 : 1,112,305.74 = 555,671.32 : x - Step 2: Convert to fraction form
741,478.84/1,112,305.74 = 555,671.32/x - Step 3: Cross multiply
741,478.84x = 1,112,305.74 × 555,671.32 - Step 4: Simplify right side
741,478.84x = 618,076,398,789.38 - Step 5: Solve for x
x = 618,076,398,789.38/741,478.84 - Step 6: Final answer
x = 833,572.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.