Finding the Fourth Proportional to 684,043.68, 1,026,273.12 and 484,749.60
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Solution
The fourth proportional to 684,043.68, 1,026,273.12 and 484,749.60 is: 727,271.52
Step by Step Solution
- Step 1: Write the proportion equation
684,043.68 : 1,026,273.12 = 484,749.60 : x - Step 2: Convert to fraction form
684,043.68/1,026,273.12 = 484,749.60/x - Step 3: Cross multiply
684,043.68x = 1,026,273.12 × 484,749.60 - Step 4: Simplify right side
684,043.68x = 497,485,484,410.75 - Step 5: Solve for x
x = 497,485,484,410.75/684,043.68 - Step 6: Final answer
x = 727,271.52
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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.