Finding the Fourth Proportional to 557,008.47, 768,671.01 and 302,359.68
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Solution
The fourth proportional to 557,008.47, 768,671.01 and 302,359.68 is: 417,255.99
Step by Step Solution
- Step 1: Write the proportion equation
557,008.47 : 768,671.01 = 302,359.68 : x - Step 2: Convert to fraction form
557,008.47/768,671.01 = 302,359.68/x - Step 3: Cross multiply
557,008.47x = 768,671.01 × 302,359.68 - Step 4: Simplify right side
557,008.47x = 232,415,120,608.88 - Step 5: Solve for x
x = 232,415,120,608.88/557,008.47 - Step 6: Final answer
x = 417,255.99
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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.