Finding the Fourth Proportional to 1,042,984.73, 1,564,721.08 and 323,288.75
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Solution
The fourth proportional to 1,042,984.73, 1,564,721.08 and 323,288.75 is: 485,008.75
Step by Step Solution
- Step 1: Write the proportion equation
1,042,984.73 : 1,564,721.08 = 323,288.75 : x - Step 2: Convert to fraction form
1,042,984.73/1,564,721.08 = 323,288.75/x - Step 3: Cross multiply
1,042,984.73x = 1,564,721.08 × 323,288.75 - Step 4: Simplify right side
1,042,984.73x = 505,856,725,155.43 - Step 5: Solve for x
x = 505,856,725,155.43/1,042,984.73 - Step 6: Final answer
x = 485,008.75
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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.