Finding the Fourth Proportional to 497,322.02, 686,295.08 and 276,572.84
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Solution
The fourth proportional to 497,322.02, 686,295.08 and 276,572.84 is: 381,665.34
Step by Step Solution
- Step 1: Write the proportion equation
497,322.02 : 686,295.08 = 276,572.84 : x - Step 2: Convert to fraction form
497,322.02/686,295.08 = 276,572.84/x - Step 3: Cross multiply
497,322.02x = 686,295.08 × 276,572.84 - Step 4: Simplify right side
497,322.02x = 189,810,579,353.63 - Step 5: Solve for x
x = 189,810,579,353.63/497,322.02 - Step 6: Final answer
x = 381,665.34
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1.5x scale
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.