Finding the Fourth Proportional to 904,946.58, 1,248,836.54 and 497,057.99
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Solution
The fourth proportional to 904,946.58, 1,248,836.54 and 497,057.99 is: 685,945.65
Step by Step Solution
- Step 1: Write the proportion equation
904,946.58 : 1,248,836.54 = 497,057.99 : x - Step 2: Convert to fraction form
904,946.58/1,248,836.54 = 497,057.99/x - Step 3: Cross multiply
904,946.58x = 1,248,836.54 × 497,057.99 - Step 4: Simplify right side
904,946.58x = 620,744,171,681.48 - Step 5: Solve for x
x = 620,744,171,681.48/904,946.58 - Step 6: Final answer
x = 685,945.65
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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.