Finding the Fourth Proportional to 689,251.68, 1,033,676.64 and 268,427.52
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Solution
The fourth proportional to 689,251.68, 1,033,676.64 and 268,427.52 is: 402,563.05
Step by Step Solution
- Step 1: Write the proportion equation
689,251.68 : 1,033,676.64 = 268,427.52 : x - Step 2: Convert to fraction form
689,251.68/1,033,676.64 = 268,427.52/x - Step 3: Cross multiply
689,251.68x = 1,033,676.64 × 268,427.52 - Step 4: Simplify right side
689,251.68x = 277,467,256,957.13 - Step 5: Solve for x
x = 277,467,256,957.13/689,251.68 - Step 6: Final answer
x = 402,563.05
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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.