Finding the Fourth Proportional to 523,398.02, 722,357.16 and 319,475.99
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Solution
The fourth proportional to 523,398.02, 722,357.16 and 319,475.99 is: 440,918.31
Step by Step Solution
- Step 1: Write the proportion equation
523,398.02 : 722,357.16 = 319,475.99 : x - Step 2: Convert to fraction form
523,398.02/722,357.16 = 319,475.99/x - Step 3: Cross multiply
523,398.02x = 722,357.16 × 319,475.99 - Step 4: Simplify right side
523,398.02x = 230,775,770,630.48 - Step 5: Solve for x
x = 230,775,770,630.48/523,398.02 - Step 6: Final answer
x = 440,918.31
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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.